Traffic Operations and Roadway Safety Division
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Publications

TitleReport NumberAuthor(s)Date
Evaluation of End-of-Queue Crash Mitigation Strategies at Flagging Stations on Two-Lane Roads0-6998-R1L. Theiss, M.D. Finley, E. Rista, G.L. UllmanDecember 2022
0-6998: Work Zone Engineering Strategies for Flagger Stations and Lane Closures0-6998-PSRL. Theiss, M.D. Finley, E. Rista, G.L. UllmanJune 2022
Traffic Control Device Analysis, Testing, and Evaluation Program0-6969-PSRM.D. Finley, A.M. Pike, K. Fitzpatrick, L. Theiss, E. Park, R.E. Avelar, M.A. Brewer, L. Wu, M.P. Pratt, N.A. Chaudhary, S.R. Sunkari, N.S. Wood, E. Rista, T.P. Barrette, S. DattaJuly 2021
Traffic Control Device Analysis, Testing, and Evaluation Program: FY2020 Activities0-6969-R3M.D. Finley, A.M. Pike, K. Fitzpatrick, E. Park, L. Theiss, M.P. Pratt, N.A. Chaudhary, S.R. Sunkari, N.S. Wood, S. DattaJune 2021
Developing Guide Signing for Long-Term Work Zones0-7046-PSRL. Theiss, L.L. Higgins, G.L. UllmanOctober 2021
Studies to Improve Temporary Guide Signs in Work Zones0-7046-R1L. Theiss, L.L. Higgins, G.L. UllmanOctober 2021
Studies to Develop Guidelines on Work Zone Barrier Use on Freeways0-7020-R1G.L. Ullman, E. RistaSeptember 2021
Studies to Develop Guidelines on Work Zone Barrier Use on Freeways0-7020-PSRG.L. Ullman, E. Rista, T.P. Barrette, J.A. Habermann, D.G. WallaceSeptember 2021
Portable Rumble Strips: Placement Recommendations for Back-of-Queue Protection and Assessment of Driver Distraction-Reducing EffectsG.L. UllmanAugust 2020
Traffic Control Device Analysis, Testing, and Evaluation Program: FY2019 Activities0-6969-R2M.D. Finley, K. Fitzpatrick, E. Rista, M.A. Brewer, R. Avelar, A.M. Pike, T.P. Barrette, S. DattaOctober 2020
Traffic Control Device Analysis, Testing, and Evaluation Program: FY2018 Activities0-6969-R1M.D. Finley, A.M. Pike, E. Park, L. Wu, L. Theiss, M.A. Brewer, K.M. Fitzpatrick, R.E. Avelar, T.P. BarretteJune 2019
Development and Testing of a Prototype Connected Vehicle Wrong-Way Driving Detection and Management System0-6867-01-1M.D. Finley, S.T. Chrysler, K.N. Balke, H.A. Charara, D.H. Florence, R. Rajbhandari, C.R. Mott, P.K. Sturgeon, D.M. ParishFebruary 2018
Traffic Control Device Evaluation Program: FY 20179-1001-14-4M.D. Finley, S.T. Chrysler, P.J. Carlson, A.M. Pike, E. Park, M.P. Pratt, R.E. Avelar, S.R. Sunkari, S.P. Venglar, J.M. Kaufman, S.A. Cooner, J.G. HudsonMarch 2018
Connected Vehicle Wrong-Way Driving Detection and Mitigation Demonstration - Phase II0-6867-01-SM.D. Finley, S.T. Chrysler, K.N. Balke, H.A. Charara, D.H. Florence, R. Rajbhandari, C.R. Mott, P.K. Sturgeon, D.M. Parish2018
Closed Course Performance Testing of the AWARE Intrusion Alarm SystemL. Theiss, G.L. Ullman, T.E. LindheimerApril 2017
Air Quality Benefits of Nighttime Construction in Texas Non-Attainment Counties0-6864-1R. Farzaneh, T.L. Ramani, M. Venugopal, S. Vallamsundar, G. Pesti, J.A. Crawford, A.G. Birt, C. Gu, M. Askariyeh, G.A. Valdez Ceniceros, J.A. Shelton, M.D. Finley, S. Sharma, J.D. Johnson, R.F. Huch, N.S. WoodDecember 2017
Develop Metrics of Tire Debris on Texas Highways: Technical Report0-6860-1R.E. Avelar, M.P. Pratt, J.D. Miles, T.E. Lindheimer, N.D. Trout, J.A. CrawfordMay 2017
Investigate the Air Quality Benefits of Nighttime Construction in Non-Attainment Counties0-6864-SR. Farzaneh, T.L. Ramani, M. Venugopal, S. Vallamsundar, G. Pesti, J.A. Crawford, A.G. Birt, C. Gu, M. Askariyeh, G.A. Valdez Ceniceros, J.A. Shelton, M.D. Finley, S. Sharma, J.D. Johnson, R.F. Huch, N.S. Wood2017
Driver Responses to the AWARE Intrusion Alarm SystemG.L. Ullman, N.D. Trout, L. TheissApril 2016
Conceptual Design of a Connected Vehicle Wrong-Way Driving Detection and Management System0-6867-1M.D. Finley, K.N. Balke, R. Rajbhandari, S.T. Chrysler, C.S. Dobrovolny, N.D. Trout, P. Avery, D. Vickers, C.R. MottApril 2016
Installation of Dynamic Travel Time Signs and Efforts to Obtain and Test a Graphical Route Information Panel (GRIP) Sign in Austin5-9049-03-7G.L. Ullman, R.E. Brydia, L. Ruback, D.R. Arrington, A.P. VoigtAugust 2016
Construction and Installation of Travel Time Signs on I-35 in Austin5-9049-05-1G.L. Ullman, R.E. Brydia, L. Ruback, A.P. Voigt, D.R. ArringtonAugust 2016
Develop Metrics of Tire Debris on Texas Highways0-6860-SR.E. Avelar, M.P. Pratt, J.D. Miles, T.E. Lindheimer, N.D. Trout, J.A. CrawfordJuly 2016
Traffic Control for Access Points Within a Lane Closure on a Two-Lane, Two-Way Road0-6708-SM.D. Finley, P. Songchitruksa, S.R. Sunkari2016
Completion of Construction and Installation of Travel Time Signs on I-35 in Austin5-9049-05-SG.L. Ullman, R.E. Brydia, L. Ruback, A.P. Voigt, D.R. Arrington2016
Connected Vehicle Wrong-Way Driving Detection and Mitigation Demonstration0-6867-SM.D. Finley, K.N. Balke, R. Rajbhandari, S.T. Chrysler, C. Silvestri Dobrovolny, N.D. Trout, P. Avery, D. Vickers, C.R. Mott2016
Improved Business Driveway Delineation in Urban Work Zones0-6781-1L. Theiss, S.A. Swindell, G.F. Gillette, G.L. UllmanApril 2015
Development of Delineator Testing Standard0-6772-1D.R. Arrington, L. Theiss, R.A. Zimmer, W.L. MengesFebruary 2015
Work Zone Positive Protection Guidelines for IdahoFHWA-ID-14-228G.L. Ullman, V. IragavarapuJanuary 2015
Work Zone Positive Protection Guidelines for IdahoFHWA-ID-15-228G.L. Ullman, V. IragavarapuJanuary 2015
Evaluation of TxDOT Variable Speed Limit Pilot Projects: Final ReportTTI-2015-10B.T. Kuhn, K.N. Balke, R.E. Brydia, L. Theiss, I. Tsapakis, L. Ruback, M.Q. LeJune 2015
Traffic Control Device Evaluation Program: Technical Report9-1001-14-1P.J. Carlson, L.L. Higgins, M.P. Pratt, M.D. Finley, L. Theiss, W.F. Williams, V. Iragavarapu, M. Ko, A.A. NelsonMarch 2015
Improved Nighttime Work Zone Channelization in Confined Urban Projects0-6781-SL. Theiss, G.L. Ullman, S.K. Stone, B.K. Manak, S.E. Hammond, C.E. Yager, L.L. Higgins, D.G. Wallace, J.D. Miles, D.P. Walker, G.F. Gillette, S.A. Swindell2015
Evaluation of Innovative Devices to Control Traffic Entering From Low-Volume Access Points within a Lane Closure0-6708-1M.D. Finley, P. Songchitruksa, S.R. SunkariApril 2014
Assessment of the Effectiveness of Wrong Way Driving Countermeasures and Mitigation Methods0-6769-1M.D. Finley, S.P. Venglar, V. Iragavarapu, J.D. Miles, E. Park, S.A. Cooner, S.E. RanftDecember 2014
Graphical Route Information Panel Signs for Southbound I-35 and SH 130 Travel through Austin409175-6G.L. Ullman, R.E. Brydia, A.A. Nelson, L.L. Higgins, R.T. Baker, T.S. GeiselbrechtMarch 2014
Development of Pedestrian Crash Countermeasures and Appropriate Crash Reduction Factors (CRF)0-6702-SK.M. Fitzpatrick, V. Iragavarapu, M.A. Brewer, D. Lord, J.G. Hudson, R.E. Avelar, J.A. RobertsonMay 2014
Characteristics of Texas Pedestrian Crashes and Evaluation of Driver Yielding at Pedestrian Treatments0-6702-1K. Fitzpatrick, V. Iragavarapu, M.A. Brewer, D. Lord, J.G. Hudson, R.E. Avelar, J.A. RobertsonMay 2014
Wrong Way Driving Countermeasures0-6769-SM.D. Finley, S.P. Venglar, V. Iragavarapu, J.D. Miles, E. Park, S.A. Cooner, S.E. Ranft2014
Development of New Delineator Material and Impact Testing Standard to Prevent Premature Failures Specific to Installation Application0-6772-SD.R. Arrington, L. Theiss, R.A. Zimmer2014
Worker Safety During Operations with Mobile Attenuators0-6707-1L. Theiss, R.P. BlighMay 2013
Guidance for Effective Use of Pylons for Lane Separation on Preferential Lanes and Freeway Ramps0-6643-1S.P. Kuchangi, R.J. Benz, A.A. Nelson, A.P. Voigt, R. Stevens, J.P. Wikander, L. TheissMay 2013
Compendium of Student Papers: 2012 Undergraduate Transportation Scholars ProgramSWUTC/13/600451-00003-1A.M. Celoza, K.D. Weimert, H.G. Hawkins, Jr.May 2013
Studies to Assess the Impact of Nighttime Work Zone Lighting on Motorists0-6641-1M.D. Finley, G.L. Ullman, J.D. Miles, M.P. PrattMay 2013
Compendium of Student Papers: 2013 Undergraduate Transportation Scholars ProgramSWUTC/13/600451-00003-2D.T. Bartilson, A.M. Contreras, K.R. Mackan, M.B. Membreno, P.C. Moore, H.G. Hawkins, Jr.November 2013
Assessment of the Impact of Nighttime Work Zone Lighting on Motorists0-6641-SM.D. Finley, G.L. Ullman, J.D. Miles, M.P. Pratt2013
Synthesis of TxDOT Uses of Real-Time Commercial Traffic Data0-6659-1D.R. Middleton, R. Rajbhandari, R.E. Brydia, P. Songchitruksa, E. Kraus, S. Hernandez, K. Cheu, V. Iragavarapu, S.M. TurnerJanuary 2012
Studies to Determine the Effectiveness of Automated Flagger Assistance Devices and School Crossing Devices0-6407-1M.D. Finley, B.R. Ullman, N.D. Trout, E. ParkJanuary 2012
TxDOT Uses of Real-Time Commercial Traffic Data: Opportunity Matrix0-6659-P1D.R. Middleton, R. Rajbhandari, R.E. Brydia, P. Songchitruksa, E. Kraus, S. Hernandez, K. Cheu, V. Iragavarapu, S.M. TurnerJanuary 2012
Asset Management Guidebook for Safety and Operations0-6390-P1B.T. Kuhn, D.L. Jasek, J.L. Carson, L. Theiss, P. Songchitruksa, J. Perkins, Y. Yang, J. MwakalongeSeptember 2012
Compare Trailer-Mounted Attenuators vs Truck-Mounted Attenuators Protection for Workers0-6707-SL. Theiss, R.P. Bligh2012
Guidelines for the Effective Use of Flexible Pylons for Congestion Mitigation, Access Management, and Safety Improvement0-6643-SR.J. Benz, s. Kuchangi, A.A. Nelson, L. Theiss2012
Use of Intelligent Transportation Systems in Rural Work Zones0-6427-1D.R. Middleton, G. Pesti, P. Songchitruksa, R.E. Brydia, K.N. Balke, G.L. UllmanDecember 2011
Studies to Determine the Effectiveness of Longitudinal Channelizing Devices in Work Zones0-6103-1M.D. Finley, L. Theiss, N.D. Trout, J.D. Miles, A.A. NelsonJanuary 2011
Treatments to Reduce the Frequency of Freeway Exit Sign Hits0-6120-1G. Pesti, K.O. Obeng-Boampong, P. Songchitruksa, L. TheissJune 2011
Compendium of Student Papers: 2010 Undergraduate Transportation Scholars ProgramSWUTC/10/476660-00003-3I.S. Almy, L.D. Ballard, B.K. Brimley, W.E. Huff, G.W. Larson, B.C. Schwenn, J.L. Tovar, B.E. Ward, H.G. Hawkins, Jr.June 2011
Work Zone Positive Protection Guidelines0-6163-1G.L. Ullman, V. Iragavarapu, D. SunMay 2011
Creating the Next Generation of Transportation ProfessionalsUTCM 11-00-62M.D. Finley, D.L. JasekNovember 2011
Research on Asset Management for Safety and Operations0-6390-1B.T. Kuhn, D.L. Jasek, J.L. Carson, L. Theiss, P. Songchitruksa, J. Perkins, Y. Yang, J. MwakalongeNovember 2011
Synthesis of TxDOT Uses of Real-Time Commercial Traffic Routing Data0-6659-SD.R. Middleton, R. Rajbhandari, R.E. Brydia, P. Songchitruksa, V. Iragavarapu, E. Kraus, S.M. Turner, S. Hernandez, K. Cheu2011
Asset Management for Safety and Operations0-6390-SB.T. Kuhn, D.L. Jasek, J.L. Carson, L. Theiss, P. Songchitruksa, J. Perkins, Y. Yang, J. Mwakalong2011
Improved Positive Protection Guidance for Work Zones0-6163-SG.L. Ullman, V. Iragavarapu, D. Sun2011
An Evaluation of the Performance of High Impact Signs0-6120-SG. Pesti, K.O. Obeng-Boampong, P. Songchitruksa, L. Theiss2011
Evaluation of the Effectiveness of Automated Flagger Assistance Devices0-6407-SM.D. Finley, B.R. Ullman, N.D. Trout, E. Park2011
Driver Workload at Higher Speeds0-5911-1K. Fitzpatrick, S.T. Chrysler, E. Park, A.A. Nelson, J.A. Robertson, V. IragavarapuFebruary 2010
Guidelines for the Use of Pavement Marking Symbols at Freeway Interchanges0-5890-SB.R. Ullman, S.T. Chrysler, M.D. Finley, N.D. TroutFebruary 2010
Driver Workload and Visual Studies0-5911-SK. Fitzpatrick, S.T. Chrysler, E. Park, A.A. Nelson, J.A. Robertson, V. IragavarapuFebruary 2010
Guidelines for the Use of Pavement Marking Symbols at Freeway Interchanges: Final Report0-5890-1B.R. Ullman, M.D. Finley, S.T. Chrysler, N.D. Trout, A.A. Nelson, S. YoungMarch 2010
Evaluation of Longitudinal Channelizing Barricade Effectiveness0-6103-SM.D. Finley, L. Theiss, N.D. Trout, J.D. Miles, A.A. Nelson2010
Studies to Determine the Operational Effects of Shoulder and Centerline Rumble Strips on Two-Lane Undivided Roadways0-5577-1M.D. Finley, D.S. Funkhouser, M.A. BrewerAugust 2009
Speeds in School Zones: Appendix A0-5470-1-Appendix AK. Fitzpatrick, M.A. Brewer, K.O. Obeng-Boampong, E. Park, N.D. TroutFebruary 2009
Speeds in School Zones0-5470-1K. Fitzpatrick, M.A. Brewer, K.O. Obeng-Boampong, E. Park, N.D. TroutFebruary 2009
Developing a Work Zone Safety and Mobility Performance Monitoring Plan for Texas0-5771-SG.L. Ullman, R.J. Porter, G.J. KarkeeFebruary 2009
Operational Effects of Shoulder and Centerline Rumble Strips on Two-Lane Undivided Highways0-5577-SM.D. Finley, D.S. Funkhouser, M.A. BrewerJanuary 2009
DMS Message Design Workshops5-4023-01-1G.L. UllmanMarch 2009
Dynamic Message Sign Message Design & Display Manual Training: Participant Notebook5-4023-01-P1G.L. UllmanMarch 2009
Dynamic Message Sign Message Design & Display Manual Training: PowerPoint Training Materials5-4023-01-P2G.L. UllmanMarch 2009
Driver Response to Delineation Treatments on Horizontal Curves on Two-Lane Roads0-5772-1S.T. Chrysler, J.M. Re, K.K. Knapp, D.S. Funkhouser, B.T. KuhnMay 2009
Use of Graphics and Symbols on Dynamic Message Signs: Technical Report0-5256-1B.R. Ullman, N.D. Trout, C.L. DudekMay 2009
Monitoring Work Zone Safety and Mobility Impacts in Texas0-5771-1G.L. Ullman, R.J. Porter, G.J. KarkeeMay 2009
Implementation Guide for Monitoring Work Zone Safety and Mobility Impacts0-5771-P1G.L. Ullman, R.J. Porter, G.J. KarkeeSeptember 2009
Comprehensive Guide to Traffic Control Near Schools0-5470-SK. Fitzpatrick, M.A. Brewer, K.O. Obeng-Boampong, E. Park, N.D. TroutAugust 2008
Studies to Improve the Management of Regulatory Speed Limits in Texas Work Zones0-5561-1M.D. Finley, L. Theiss, N.D. Trout, G.L. UllmanDecember 2008
Investigation of Deer-Vehicle Crash Data and Countermeasure Implementation in TexasSWUTC/08/167170-1K.K. KnappFebruary 2008
Investigating Pedestrian Components in Temporary Traffic Control0-5237-1B.R. Ullman, M.A. Brewer, K. Fitzpatrick, G.L. UllmanJanuary 2008
Use of Graphics and Symbols on Dynamic Message Signs0-5256-SB.R. Ullman, N.D. Trout, C.L. DudekJune 2008
Hurricane Evacuation Traffic Operations0-4962-1A.J. Ballard, B.R. Ullman, N.D. Trout, S.P. Venglar, D.W. Borchardt, A.P. Voigt, K.O. Obeng-Boampong, R. RajbhandariMarch 2008
Studies to Improve Temporary Traffic Control at Urban Freeway Interchanges and Pavement Marking Material Selection in Work Zones0-5238-2G.L. Ullman, M.D. Finley, A.M. Pike, K.K. Knapp, P. Songchitruksa, A.A. NelsonMarch 2008
Development of Guidelines for Hurricane Evacuation Signing and Markings0-4962-SA.J. Ballard, B.R. Ullman, N.D. Trout, S.P. Venglar, D.W. Borchardt, A.P. Voigt, K.O. Obeng-Boampong, R. Rajbhandari2008
Compendium of Student Papers: 2007 Undergraduate Transportation Scholars ProgramSWUTC/07/473700-00003-12M.E. Ciarkowski, N.H. Fluker, J.A. Richter, A.M. Sandhu, H.G. Hawkins, Jr.August 2007
Improved Temporary Traffic Control Guidelines for Urban Freeway Interchanges0-5238-SG.L. Ullman, M.D. Finley, A.M. Pike, K.K. Knapp, P. Songchitruksa, A.A. NelsonAugust 2007
Guidelines for Hurricane Evacuation Signing and Markings0-4962-P1B.R. Ullman, N.D. Trout, A.J. BallardDecember 2007
Guidelines for the Evaluation of Dynamic Message Sign Performance0-4772-1J.M. Mounce, G.L. Ullman, G. Pesti, V.J. PezoldtMarch 2007
Development of Guidelines for Handling Pedestrians in Temporary Traffic Control Areas0-5237-SB.R. Ullman, M.A. Brewer, K. Fitzpatrick, G.L. UllmanOctober 2007
Checklist for Accommodating Pedestrians in Temporary Traffic Control Areas0-5237-P1K. Fitzpatrick, M.A. Brewer, B.R. Ullman, G.L. Ullman2007
Raised Pavement Marker Improvements0-5089-SY. Zhang, P.J. Carlson, H.G. Hawkins, Jr., S.D. Schrock2007
Dynamic Message Sign Message Design and Display Manual0-4023-P3C.L. DudekApril 2006
Research Recommendations for Pavement Marking Words and Symbols0-4471-SS.T. Chrysler, S.D. Schrock, A.A. NelsonApril 2006
Durability of Preformed Thermoplastic Pavement Markings for Horizontal Signing Applications0-4471-3S.T. Chrysler, S.D. Schrock, T.J. GatesApril 2006
Compendium of Student Papers: 2006 Undergraduate Transportation Engineering Fellows ProgramSWUTC/06/473700-00003-11E. Garcia, J.L. Hice, K.B. Kneese, G.S. McDonald, J.L. Schroeder, P.A. Singleton, H.G. Hawkins, Jr.August 2006
Methods and Guidelines for Evaluating Dynamic Message Sign Performance0-4772-SJ.M. Mounce, G.L. Ullman, G. Pesti, V.J. PezoldtDecember 2006
Improved Quantification of High Occupancy Vehicle (HOV) Lane Delay Savings: Summary Report0-4740-SD.W. Fenno, R.J. Benz, M.J. Vickich, L. Theiss, S.E. RanftJanuary 2006
Effective Message Design for Dynamic Message Signs0-4023-5C.L. Dudek, B.R. Ullman, N.D. Trout, M.D. Finley, G.L. UllmanMay 2006
Effective Message Design and Display for Dynamic Message Signs0-4023-SC.L. Dudek, B.R. Ullman, N.D. Trout, M.D. Finley, G.L. UllmanMay 2006
Facilitation of the Implementation of Mobile and Short Duration Maintenance Operations Guidelines5-4174-01-1M.D. Finley, N.D. TroutSeptember 2006
Practices to Improve the Safety of Mobile and Short Duration Maintenance Operations0-4174-SM.D. Finley, B.R. Ullman, N.D. TroutApril 2005
Evaluating the Safety Risk of Active Night Work Zones0-4747-2G.L. Ullman, B.R. Ullman, M.D. FinleyApril 2005
Compendium of Student Papers: 2005 Undergraduate Transportation Engineering Fellows ProgramSWUTC/05/473700-00003-10S.D. SchrockAugust 2005
Improved Work Zone Portable Changeable Message Sign Usage0-4748-SG.L. Ullman, C.L. Dudek, B.R. Ullman, A.A. Nelson, G. PestiDecember 2005
An Assessment of Various Pavement Marking Applications and Rumble Strip Designs0-4728-SM.D. Finley, J.D. Miles, P.J. CarlsonDecember 2005
Field Evaluations and Driver Comprehension Studies of Horizontal Signing0-4471-2S.T. Chrysler, S.D. SchrockFebruary 2005
Motorist Safety at Active Nighttime Work Zones in Texas0-4747-SG.L. Ullman, M.D. Finley, B.R. UllmanJune 2005
Quantification of Incident and Non-Incident Travel Time Savings for Barrier-Separated High-Occupancy Vehicle (HOV) Lanes in Houston, Texas0-4740-1D.W. Fenno, R.J. Benz, M.J. Vickich, L. TheissMarch 2005
Work Zone Crash Influences on Texas Roadways0-4028-SG.L. Ullman, S.D. Schrock, A.S. Cothron, E. Kraus, A.P. VoigtMay 2005
Advanced Notification Messages and Use of Sequential Portable Changeable Message Signs in Work Zones0-4748-1G.L. Ullman, B.R. Ullman, C.L. Dudek, A.A. Nelson, G. PestiOctober 2005
An Assessment of Various Rumble Strip Designs and Pavement Marking Applications for Crosswalks and Work Zones0-4728-2M.D. Finley, J.D. Miles, P.J. CarlsonOctober 2005
Amber Alert, Disaster Response and Evacuation, Planned Special Events, Adverse Weather and Environmental Conditions, and Other Messages for Display on Dynamic Message Signs0-4023-4B.R. Ullman, N.D. Trout, C.L. Dudek, S.K. StoneOctober 2005
Managed Lanes Handbook0-4160-24B.T. Kuhn, V.D. Goodin, A.J. Ballard, M.A. Brewer, R.E. Brydia, J.L. Carson, S.T. Chrysler, T.S. Collier, K. Fitzpatrick, D.L. Jasek, C.M. Dusza, G.L. UllmanOctober 2005
Development of a Field Guide for Portable Changeable Message Sign Use in Work Zones0-4748-2G.L. Ullman, C.L. Dudek, B.R. UllmanSeptember 2005
Findings from Texas: Five Years of Research on Managed Lanes0-4160-25B.T. Kuhn, V.D. Goodin, A.J. Ballard, M.A. Brewer, R.E. Brydia, J.L. Carson, S.T. Chrysler, T.S. Collier, W.L. Eisele, D.W. Fenno, K. Fitzpatrick, G.L. Ullman, S.P. VenglarSeptember 2005
Traffic Control Devices for Managed Lanes0-4160-16S.T. Chrysler, A.A. Nelson, S.D. Schrock, G.L. UllmanApril 2004
Incident and Traveler Information Sharing in Texas7-4951-SG.L. Ullman, M.D. Finley, B.R. Durkop, P.B. Wiles, J.D. CarvellApril 2004
Identification of Traveler Information and Decision-Making Needs for Managed Lane Users0-4160-13S.D. Schrock, G.L. Ullman, A.A. Nelson, S.T. ChryslerApril 2004
Compendium: Papers on Advanced Surface Transportation Systems, 2004SWUTC/04/473700-00003-8C.L. DudekAugust 2004
Compendium of Student Papers: 2004 Undergraduate Transportation Engineering Fellows ProgramSWUTC/04/473700-00003-9S.D. SchrockAugust 2004
Traffic Control Devices and Practices to Improve the Safety of Mobile and Short Duration Operations0-4174-2M.D. Finley, B.R. Ullman, N.D. TroutDecember 2004
Pedestrian Signal Head Visibility Performance Requirements and Testing Procedures0-4447-SM.D. Finley, A.J. HolickJuly 2004
Legibility Distances of 9 to 18 Inch Characters For Light-Emitting Diode (LED) Dynamic Message Signs on Arterial RoadwaysG.L. Ullman, B.R. Ullman, C.L. Dudek, N.D. TroutJuly 2004
Dynamic Message Sign Message Design and Display Manual0-4023-P1C.L. DudekMarch 2004
Effectiveness of Dynamic Speed Display Signs (DSDS) in Permanent Applications0-4475-SG.L. Ullman, E.R. RoseMarch 2004
Assessing the Safety Impacts of Active Night Work Zones in Texas0-4747-1G.L. Ullman, M.D. Finley, B.R. UllmanOctober 2004
An Analysis of Fatal Work Zone Crashes in Texas0-4028-1S.D. Schrock, G.L. Ullman, A.S. Cothron, E. Kraus, A.P. VoigtOctober 2004
Year 4 Annual Report of Progress: Operating Freeways with Managed Lanes0-4160-19B.T. Kuhn, V.D. Goodin, A.J. Ballard, R.E. Brydia, S.T. Chrysler, T.S. Collier, A.S. Cothron, W.L. Eisele, D.W. Fenno, K.M. Fitzpatrick, S.Y. Song, G.L. Ullman, S.P. VenglarSeptember 2004
Compendium of Student Papers: 2003 Undergraduate Transportation Engineering Fellows ProgramSWUTC/03/473700-00003-7S.D. SchrockAugust 2003
Improving Traffic Control Effectiveness in Complex Work Zones0-4021-2G.L. Ullman, S.D. SchrockJanuary 2003
Improved Traffic Control at Complex Work Zones0-4021-SG.L. Ullman, A. Tsyganov, R. Machemehl, R. Harrison, S.D. SchrockNovember 2003
Improving Work Zone Safety Using Traffic Management and Enforcement Tools0-2137-SG.L. Ullman, P.A. Barricklow, R. Arredondo, E.R. Rose, M.D. FontaineOctober 2003
Effects of Vehicle Type on the Nighttime Visibility of Signs and Pavement Markings0-4269-SM.D. Finley, P.J. Carlson, N.D. Trout, D.L. JasekOctober 2003
Identification of Hazards Associated with Mobile and Short Duration Work Zones0-4174-1B.R. Ullman, M.D. Finley, N.D. TroutSeptember 2003
Visibility Performance Requirements and Testing Procedures for Pedestrian Signal Heads0-4447-1M.D. Finley, A.J. HolickSeptember 2003
Year 3 Annual Report of Progress: Operating Freeways with Managed Lanes0-4160-15B.T. Kuhn, V.D. Goodin, S.T. Chrysler, T.S. Collier, A.S. Cothron, W.L. Eisele, D.W. Fenno, K. Fitzpatrick, G.L. Ullman, S.P. VenglarSeptember 2003
Evaluation of Dynamic Speed Display Signs (DSDS)0-4475-1E.R. Rose, G.L. UllmanSeptember 2003
Compendium: Papers on Advanced Surface Transportation Systems, 2002SWUTC/02/473700-00003-4C.L. DudekAugust 2002
Arrow Panel and Portable Changeable Message Sign Requirements7-4940-SM.D. Wooldridge, M.D. Finley, J.P. Denholm, D. Mace, B.P. PatrickFebruary 2002
Sign and Pavement Marking Visibility from the Perspective of Commercial Vehicle Drivers0-4269-1M.D. Finley, P.J. Carlson, N.D. Trout, D.L. JasekSeptember 2002
Requirements Specification for DMS Message Optimization Software Tool (MOST)0-4023-2P.A. Davis, S. Sunkari, C.L. Dudek, K.N. BalkeSeptember 2002
Compendium: Papers on Advanced Surface Transportation Systems, 2001SWUTC/01/473700-00003-3C.L. DudekAugust 2001
Practices, Technologies, and Usage of Incident Management and Traveler Information Exchange and Sharing in Texas7-4951-1M.D. Finley, B.R. Durkop, P.B. Wiles, J.D. Carvell, G.L. UllmanDecember 2001
A Review of Traffic Management and Enforcement Problems and Improvement Options at High-Volume, High-Speed Work Zones in Texas0-2137-1G.L. Ullman, M.D. Fontaine, S.D. Schrock, P.B. WilesFebruary 2001
Work Zone Lane Closure Warning Light System7-3983-SM.D. Finley, G.L. Ullman, C.L. DudekFebruary 2001
Improving Dynamic Message Sign Operations0-1882-SC.L. Dudek, N.D. Trout, B.R. Durkop, S.P. Booth, G.L. UllmanFebruary 2001
Testing and Evaluation of a Pedestal Base Sign Support0-1792-3D.L. Bullard, R.P. Bligh, W.L. Menges, S.K. StoneJanuary 2001
Testing and Evaluation of the Solar Panel Sign Support System0-1792-4D.L. Bullard, R.P. Bligh, W.L. Menges, S.K. StoneJanuary 2001
Photometric Requirements for Arrow Panels7-4940-1M.D. Wooldridge, M.D. Finley, J.P. Denholm, D. Mace, B.P. PatrickJune 2001
NCHRP Report 350 Test 3-11 of the Steel-Backed Timber Guardrail405181-2D.L. Bullard, W.L. Menges, S.K. StoneJune 2001
Using Traffic Legislation to Improve Work Zone Safety1720-SG.L. Ullman, P.J. Carlson, N.D. TroutJune 2001
DMS Message Design and Display Procedures0-4023-1M.D. Finley, T.J. Gates, C.L. DudekNovember 2001
Feasibility and Design of Enforcement Pullout Areas for Work Zones0-2137-2G.L. Ullman, S.D. SchrockOctober 2001
Feasibility of Implementing the 511 National Traveler Information Number in Texas7-4951-2M.D. Finley, G.L. UllmanOctober 2001
Testing and Evaluation of Molded Plastic Mailboxes0-1792-6R.P. Bligh, W.L. Menges, S.K. StoneSeptember 2001
Photometric Requirements for Portable Changeable Message Signs7-4940-2M.D. Finley, M.D. Wooldridge, D. Mace, J.P. DenholmSeptember 2001
NCHRP Report 350 Test 3-10 on the Modified PennDOT Type 2 Guide Rail - Test 4473750-4C.E. Buth, W.L. Menges, W.F. Williams, S.K. StoneAugust 2000
Impact Performance Evaluation of Work Zone Traffic Control Devices0-1792-2R.P. Bligh, D.L. Bullard, W.L. Menges, S.K. StoneDecember 2000
Texas Driver Understanding of Abbreviations for Dynamic Message Signs0-1882-1B.R. Durkop, C.L. DudekFebruary 2000
Future ATIS Development in Houston: Issues and Alternatives7-3950-1G.L. Ullman, W.L. Eisele, V.D. GoodinJanuary 2000
NCHRP Report 350 Test 3-21 of the Alaska Multi-State W-Beam Transition404311-7D.C. Alberson, W.L. Menges, C.E. Buth, W.F. Williams, S.K. StoneJuly 2000
Improved Dynamic Message Sign Messages and Operations0-1882-2C.L. Dudek, N.D. Trout, S.P. Booth, G.L. UllmanOctober 2000
Delivering Weather Data to Texas Pilots and Other Users0-1799-1J.S. Noel, L. Copeland, D.F. Staas, G.B. DresserFebruary 1999
Driver Understanding of Abbreviations for Changeable Message Signs in New JerseyTTI-1999-ID15574M.W. Hustad, C.L. DudekJanuary 1999
Changeable Message Sign Messages for Work Zones: Time of Day, Days of Week, and Month DatesTTI-1999-ID15579C.L. DudekJanuary 1999
NCHRP Report 350 Test 4-21 of the Alaska Multi-State Bridge Rail Thrie-Beam Transition404311-5C.E. Buth, W.F. Williams, W.L. Menges, S.K. StoneJuly 1999
NCHRP Report 350 Test 4-22 of the Alaska Multi-State Bridge Rail Thrie-Beam Transitions404311-6C.E. Buth, W.F. Williams, W.L. Menges, S.K. StoneJuly 1999
Work Zone Traffic Legislation in Texas1720-3G.L. Ullman, P.J. Carlson, N.D. TroutMarch 1999
Crash Testing of Ford Taurus, Chevrolet Lumina, Plymouth Neon, and Dodge Caravan - In Support of Finite Element Computer ModelingProject 472580K.K. Mak, R.P. Bligh, W.L. Menges, S.K. StoneMay 1999
Analysis of ATIS Partnering Options in Houston, Texas7-3950-2G.L. Ullman, W.L. Eisele, V.D. GoodinOctober 1999
Work Zone Lane Closure Warning Light System7-3983-1M.D. Finley, G.L. Ullman, C.L. DudekSeptember 1999
User's Manual for QUEWZ-981745-2L. Copeland1999
WorkZone-Related Traffic Legislation in Texas1720-2G.L. Ullman, P.J. Carlson, N.D. TroutNovember 1998
Recommendations for Highway Construction, Maintenance, and Service Equipment Warning Lights and Pavement Data Collection System Safety7-3972-SG.L. Ullman, J.E. Ragsdale, N.A. ChaudharyOctober 1998
Highway Construction, Maintenance, and Service Equipment Warning Lights and Pavement Data Collection System Safety7-3972-1G.L. Ullman, J.E. Ragsdale, N.A. ChaudharyOctober 1998
Texas Highway Operations Manual: Highway Operations Volume1467-6FG.L. UllmanSeptember 1998
Delineation of Bridges and Culverts in Texas1366-1FG.L. Ullman, V.J. PezoldtFebruary 1997
Enhanced Traffic Control Devices and Railroad Operations for Highway-Railroad Grade Crossings: Third-Year Activities1469-3D.B. Fambro, D.A. Noyce, A.H. Frieslaar, L. CopelandJuly 1997
Characteristics and Conditions of Teenage Safety Belt UseDOT/HS-808-676K.N. Womack, N.D. Trout, B.T. DaviesJuly 1997
Texas A&M ITS Research Center of Excellence Narrative Summary Report: Fiscal Year 1996-971439-4T. Urbanik, K.F. Turnbull, E.W. Lindquist, D.R. Middleton, K.N. Balke, G.L. Ullman, G.C. LobaughOctober 1997
Work Zone-Related Traffic Legislation: A Review of National Practices and Effectiveness1720-1G.L. Ullman, P.J. Carlson, N.D. Trout, J.A. ParhamSeptember 1997
Devices and Technology to Improve Flagger/Worker Safety2963-1FN.D. Trout, G.L. UllmanFebruary 1996
Traffic Management System Considerations in Freeway Design and Redesign1467-2G.L. UllmanJuly 1996
Assessment of Mexican Driver Understanding of Existing Traffic Control Devices Used in Texas1274-1H.G. Hawkins, Jr., D.L. Picha, B.L. Mann, C.R. McIlroy, K.N. Womack, C.L. DudekNovember 1996
Visibility, Spacing, and Operation of Freeway Lane Control Signals1498-3FG.L. Ullman, K.D. Parma, M.D. Peoples, N.D. Trout, S.S. TallamrajuSeptember 1996
Yellow Transition Lane Control Signal Symbols for Freeway Traffic ManagementFHWA/TX-97/1498-3FG.L. Ullman, K.D. Parma, M.D. Peoples, N.D. TroutSeptember 1996
Benefits of Real-Time Travel Information in Houston, TexasSWUTC/95/60010-1K.N. Balke, G.L. Ullman, W.R. McCasland, C.E. Mountain, C.L. DudekJanuary 1995
US-75 North Central Expressway Reconstruction: October 1994 and May 1995 Traffic Conditions and Survey Results1994-10S.E. Ranft, N.D. Trout, G.L. UllmanSeptember 1995
Guidelines for Response to Major Freeway Incidents - Response Manual1345-1W.R. McCasland, M.A. Ogden, J.M. Mounce, G.L. Ullman, D.R. MiddletonApril 1994
Traffic Management in Response to Major Freeway Incidents, Volume II1345-2FM.A. Ogden, J.M. Mounce, D.R. Middleton, G.L. UllmanAugust 1994
Traffic Management in Response to Major Freeway Incidents, Volume I1345-2FM.A. Ogden, J.M. Mounce, D.R. Middleton, G.L. UllmanAugust 1994
Retroreflective Raised Pavement Marker Field Testing: Results of the First Year Evaluation1946-2G.L. UllmanJanuary 1994
U.S. 75 North Central Expressway Reconstruction: Lemmon/Oak Lawn/Peak Screen Line Automobile User Panel, October 1993 Survey Results1994-1G.L. UllmanMay 1994
U.S. 75 North Central Expressway Reconstruction: Lemmon/Oak Lawn Peak Screen Line Automobile User Panel, May 1994 Survey Results1994-6G.L. UllmanNovember 1994
Visibility and Spacing of Lane Control Signals for Freeway Traffic Management1498-1G.L. Ullman, S.S. Tallamraju, N.D. TroutNovember 1994
Retroreflective Raised Pavement Markers: A Two-Year Field Evaluation in Texas1946-3FG.L. UllmanOctober 1994
Feasibility of Real-Time Motorist Information Systems Using Computer Display Terminals in Urban Areas in Texas30100-1FB.A. Thompson, N.D. TroutAugust 1993
Method for Assessing Alternative Strategies for Detecting Incidents1232-12K.N. Balke, G.L. UllmanFebruary 1993
Traffic Pattern Assessment and Road User Delay Costs Resulting from Roadway Construction Options1108-8FR.A. Krammes, G.L. Ullman, K.D. Tyer, M. Shafer, G.O. Lopez, J.J. Dale, T.R. Hammons, J.L. Memmott, C.L. DudekFebruary 1993
User's Manual for QUEWZ-921108-7R.A. Krammes, G.L. Ullman, J.L. Memmott, C.L. DudekJanuary 1993
U.S. 75 North Central Expressway Reconstruction: Lemmon/Oak Lawn/Peak Screen Line Automobile User Panel, October 1992 Survey Results1940-5G.L. Ullman, R.A. KrammesMay 1993
U.S. 75 North Central Expressway Reconstruction: Lemmon/Oak Lawn/Peak Screen Line Automobile User Panel, May 1993 Survey Results1940-6G.L. UllmanNovember 1993
Driver Interpretations of Existing and Potential Lane Control Signal Symbols for Freeway Traffic Management1298-1G.L. Ullman, S. Wohlschlaeger, C.L. Dudek, P.B. WilesNovember 1993
Operation of Lane Control Signals for Freeway Traffic Management1298-2FG.L. Ullman, P.B. WilesNovember 1993
Retroreflective Raised Pavement Marker Field Testing: Initial Interim Report1946-1G.L. UllmanDecember 1992
U.S. 75 North Central Expressway Reconstruction: Northwest Highway Screen Line Automobile and Transit User Panels, May 1992 Survey Results1940-3G.L. Ullman, K.M. Collins, R.A. KrammesDecember 1992
U.S. 75 North Central Expressway Reconstruction: Northwest Highway Screen Line Automobile and Transit User Panels, October 1991 Survey Results1940-2G.L. Ullman, R.A. KrammesMay 1992
Advanced Technologies for Communicating with Motorists: A Synthesis of Human Factors and Traffic Management Issues1232-8K.N. Balke, G.L. UllmanMay 1992
Guidelines on the Use and Operation of Changeable Message Signs1232-9C.L. DudekNovember 1992
Natural Diversion at Temporary Work Zone Lane Closures on Urban Freeways in Texas1108-6G.L. UllmanNovember 1992
Guidelines on the Selection and Design of Messages for Changeable Message Signs1232-10C.L. DudekNovember 1992
Effect of Freeway Corridor Attributes Upon Motorist Diversion Responses to Real-Time Travel Time Information1232-13G.L. Ullman, C.L. Dudek, K.N. BalkeOctober 1992
Executive Summary of Highway User Operational Information Survey957-1ESR.Q. Brackett, R.D. Huchingson, N.D. Trout, K.N. Womack1992
Corridor Traffic Management Planning Guidelines for Major Urban Freeway Reconstruction1188-4FR.A. Krammes, G.L. Ullman, C.L. DudekFebruary 1991
Highway User Operational Information Survey957-1R.Q. Brackett, R.D. Huchingson, N.D. Trout, K.N. WomackFebruary 1991
Synthesis of Traffic Management for Major Emergencies1231-1G.L. Ullman, N.D. Trout, T. UrbanikJanuary 1991
Analysis of Accidents at Long-Term Construction Projects in Texas1108-2G.L. Ullman, R.A. KrammesJune 1991
Catalog of Transportation Management Activities for Major Emergencies1231-2S. Wohlschlaeger, G.L. UllmanMarch 1991
U.S. 75 North Central Expressway Reconstruction: Northwest Highway Screen Line Automobile and Transit User Panels-Survey Results984-3G.L. Ullman, R.A. KrammesMay 1991
U.S. 75 North Central Expressway Reconstruction: Northwest Highway Screen Line Automobile and Transit User Panels, May 1991 Survey Results984-4G.L. Ullman, R.A. KrammesNovember 1991
Planning Guidelines for Major Transportation Emergencies1231-3FG.L. Ullman, N.D. TroutNovember 1991
Catalog of Work Zone Speed Control Methods1161-2G.L. Ullman, D.R. RieslandMay 1990
Travel Impacts of Urban Freeway Reconstruction Projects in Texas1108-3R.A. Krammes, K.D. Tyer, G.L. Ullman, J.J. Dale, T.R. HammonsSeptember 1990
U.S. 75 North Central Expressway Reconstruction: Northwest Highway Screen Line Automobile and Transit User Panels984-1G.L. Ullman, R.A. KrammesSeptember 1990
State-of-the-Art Review of Analysis Tools for Evaluating the Travel Impacts of Highway Construction Projects7119-2G.L. Ullman, R.A. Krammes, C.L. DudekJanuary 1989
Synthesis of Traffic Management Techniques for Major Urban Freeway Construction1188-1G.L. Ullman, R.A. Krammes, C.L. DudekMay 1989
State-of-the-Art Review of Analysis Tools for Evaluating the Travel Impacts of Highway Construction Projects: Appendices7119-2 APPENDICESG.L. Ullman, R.A. Krammes, C.L. Dudek1989
Delineation of Urban Freeway Gore Area Crash Cushions408-2G.L. Ullman, F.T. Creasey, C.L. DudekApril 1988
Delineation of Concrete Safety-Shaped Barriers and Urban Freeway Gore Area Crash Cushions408-3FG.L. Ullman, C.L. Dudek, F.T. Creasey, C.J. AllenApril 1988
Delineation of Concrete Safety-Shaped Barriers408-1G.L. Ullman, C.L. Dudek, C.J. AllenApril 1988
Traffic Control for Short Duration and Stop-and-Go Maintenance Operations on Four-Lane Divided Roadways377-2FC.L. Dudek, G.L. Ullman, K.N. Balke, R.A. KrammesMarch 1988
Application of Analysis Tools to Evaluate the Travel Impacts of Highway Reconstruction with Emphasis on Microcomputer ApplicationsR.A. Krammes, G.L. Ullman, G.B. Dresser, N.R. Davis1988
Flagger Safety and Alternatives to Manual Flagging406-1FG.L. Ullman, S.Z. Levine, S.C. BookerApril 1987
Travel Impacts of Freeway Reconstruction: Synthesis of Previous Research and Experiences1108-1R.A. Krammes, G.L. UllmanAugust 1987
Speed Zoning and Control334-2FC.L. Dudek, G.L. UllmanAugust 1987
Catalog of Traffic Control Strategies and Devices321-1S.H. Richards, C.L. DudekFebruary 1986
Evaluation of Traffic Control Plans at Reconstruction Sites321-3FC.L. Dudek, S.H. RichardsJanuary 1986
Microcomputer Tool for Freeway Work Zone Planning and SchedulingR.A. Krammes, B. Marsden, C.L. Dudek1986
Handling Traffic in Work Zones292-6FC.L. Dudek, S.H. Richards, R.C. WunderlichDecember 1985
Operational Guidelines for Short-Term Total Freeway Closure292-5R.C. Wunderlich, C.L. DudekAugust 1984
Controlling Speeds in Highway Work Zones292-2S.H. Richards, R.C. Wunderlich, C.L. DudekFebruary 1984
Portable Changeable Message Signs at Work Zones292-4C.L. DudekJuly 1984
Selection of Work Zone Channelizing Devices Using the Value Engineering Approach292-3S.H. Richards, C.L. Dudek1984
Traffic Management During Urban Freeway Maintenance Operations228-10FC.L. Dudek, S.H. Richards, M.J. FaulknerJanuary 1982
A Field Evaluation of Moving Maintenance Operations on Texas Urban FreewaysTTI-1982-ID19537M.J. Faulkner, C.L. DudekJanuary 1982
Special Traffic Management Requirements for Maintenance Work Zones on Urban Freeways228-8S.H. Richards, C.L. DudekJanuary 1982
Driver Understanding of Work Zone Flagger SignalsN.D. Huddleston, S.H. Richards, C.L. DudekJanuary 1982
Traffic Management During Freeway Reconstruction and in Rural Work Zones263-7FS.H. Richards, M.J. Faulkner, C.L. DudekOctober 1982
A Model to Calculate the Road User Costs at Work Zones292-1J.L. Memmott, C.L. DudekSeptember 1982
Traffic Capacity Through Work Zones on Urban Freeways228-6C.L. Dudek, S.H. RichardsApril 1981
Sight Distance Requirements at Lane Closure Work Zones on Urban Freeways228-7S.H. Richards, C.L. DudekApril 1981
Field Evaluation of Flashing Arrowboards at Freeway Work Zones228-5M.J. Faulkner, C.L. DudekApril 1981
Moving Maintenance Operations on Texas Urban Freeways: A Limited Overview of Current Practices and Problem Identification228-4M.J. Faulkner, C.L. DudekJanuary 1981
Driver Understanding of Work Zone Flagger Signals and Signaling Devices228-3S.H. Richards, N.D. Trout, J.D. BowmanJanuary 1981
Feasibility of Changeable Message Signs and Highway Advisory Radio for Freeway Maintenance228-9/263-2C.L. Dudek, S.H. Richards, M.J. FaulknerJuly 1981
Human Factors Design of Dynamic Visual and Auditory Displays for Metropolitan Traffic Management - Volume 3: Highway Advisory RadioC.L. Dudek, R.D. Huchingson, W.R. Stockton1981
Motorist Response to Selected Driveway SystemsS.H. Richards, C.L. Dudek1981
Human Factors Design of Dynamic Visual and Auditory Displays for Metropolitan Traffic Management - Volume 2: Dynamic Visual DisplaysC.L. Dudek, R.D. Huchingson, R.D. Williams, R.J. Koppa1981
Guidelines for Driveway Design and Operation: Volume 2 - Technical Report5183-2S.H. Richards, C.L. DudekApril 1980
San Antonio Motorist Information and Diversion SystemFHWA-RD-78-19C.L. Dudek, W.R. Stockton, D.R. HatcherDecember 1980
Traffic Management for Middle Lane Maintenance on Urban Freeways228-2S.H. Richards, C.L. DudekMarch 1980
Maintenance and Construction Zone: Annotated Bibliography228-1/263-1S.H. Richards, C.L. Dudek, N.L. Matlock, D.R. HatcherMarch 1980
Guidelines for Driveway Design and Operation: Volume 3 - Guidelines for Urban Driveway Regulation5183-3S.H. Richards, R.H. Eckols, C.L. Dudek1980
Guidelines for Driveway Design and Operation: Volume I - Annotated Bibliography5183-1R.H. Eckols, S.H. Richards, C.L. Dudek1980
Human Factors Requirements for Real-Time Motorist Information Displays: Volume 3 - Summary of Systems in the United StatesFHWA-RD-78-7C.L. Dudek1978
Human Factors Requirements for Real-Time Motorist Information Displays. Volume 7. Analysis of Driver Requirements for Intercity Trips.FHWA-RD-78-11C.L. Dudek1978
Human Factors Requirements for Real-Time Motorist Information Displays, Vol.2 State-Of-The-Art: Messages and Displays in Freeway CorridorsFHWA-RD-78-6C.L. Dudek1978
Human Factors Requirements for Real-Time Motorist Information Displays: Volume 10 - Human Factors Evaluation of Traffic State Descriptor Variables (Final Report)FHWA-RD-78-14C.L. Dudek, R.D. Huchingson, R.J. Koppa, M.L. Edwards1978
Evaluation of a Changeable Message Sign System on the Inbound Gulf Freeway200-1FW.R. Stockton, C.L. Dudek, D.B. Fambro, C.J. MesserAugust 1975
Development of a Model for Predicting Travel Time on an Urban Freeway165-8C.J. Messer, C.L. DudekJanuary 1974
Evaluation of a Prototype Safety Warning System on the Gulf Freeway165-13C.L. Dudek, R.D. Hutchingson, G.P. RitchJuly 1974
Study of Detector Reliability for a Safety Warning System on the Gulf Freeway165-7C.L. Dudek, A. Dutt, C.J. Messer, G.P. RitchNovember 1974
Investigation of Lane Occupancy as a Control Variable for a Safety Warning System for Urban Freeways165-6C.L. Dudek, C.J. Messer, J.D. FriebeleMarch 1973
Automatic Detection of Urban Freeway Incidents165-12N.B. Nuckles, C.L. Dudek, C.J. MesserMay 1973
Development of a Technique for Digital Computer Control of a Safety Warning System for Urban Freeways165-5C.L. DudekMay 1972
Design of a Safety Warning System Prototype for the Gulf Freeway165-4C.L. Dudek, R.G. BiggsMay 1972
Systems Analysis for a Real-Time Freeway Traffic Information System for the Inbound Gulf Freeway Corridor139-5C.J. Messer, C.L. Dudek, R.C. LoutzenheiserApril 1971
Study of Freeway Traffic Information Reported Via Commercial Radio139-8C.L. Dudek, J.D. Friebele, R.C. LoutzenheiserJune 1971
State-Of-The-Art of Wrong-Way Driving on Freeways and Expressways139-7J.D. Friebele, C.J. Messer, C.L. DudekJune 1971
Qualitative Analysis of Wrong-Way Driving in Texas139-6C.J. Messer, J.D. Friebele, C.L. DudekMay 1971
Real-Time Information Needs for Urban Freeway Drivers139-4C.L. Dudek, H.B. JonesAugust 1970
Application of Commercial Radio to Freeway Communications--A Study of Driver Attitudes139-3C.L. Dudek, D. CummingsJuly 1970
State of the Art Related to Real-Time Traffic Information for Urban Freeways139-2C.L. DudekJuly 1970
Cost-Effectiveness Analysis of Freeway Ramp Control24-24C.L. Dudek, W.R. McCasland1969
Investigation of an Internal Energy Model for Evaluating Freeway Level of Service24-11D.R. Drew, C.L. DudekJune 1965