Publications

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TitleReport NumberAuthor(s)Date
Mobile Luminance Data Collection System User Manual0-6647-P2J.D. Miles, H. Ge, P.J. Carlson, Y. ZhangApril 2013
The Current State of Research on the Long-Term Deterioration of Traffic SignsTRB 130033B.K. Brimley, P.J. CarlsonAugust 2012
Evaluation of Sign Retroreflectivity Measurements from the VISUAL Inspection Signs and Panels (VISUALISE) SystemF. Ye, P.J. CarlsonJuly 2012
Research and Recommendations for a Statewide Sign Retroreflectivity Maintenance Program0-6408-1P.J. Carlson, L.L. Higgins, J.M. ReApril 2012
Evaluation of Traffic Control Devices, Year 39-1001-2P.J. Carlson, A.M. Pike, J.D. Miles, B.R. Ullman, D.W. BorchardtMarch 2012
An Evaluation of the Effectiveness of Wider Edge Line Pavement MarkingsTTI-2012-1P.J. Carlson, J.A. WagnerFebruary 2012
Evaluation of Sign Retroreflectivity Measurements from the Advanced Mobile Asset Collection (AMAC) System406801-1P.J. CarlsonOctober 2011
Heavy Metal Content and Leaching Potential of Recycled Glass Beads Used in Pavement Markings: Executive SummaryTTI-2011-1B. Boulanger, A. Desai, P.J. CarlsonApril 2011
Heavy Metal Content and Leaching Potential of Recycled Glass Beads Used in Pavement MarkingsTTI-2011-2B. Boulanger, A. Desai, P.J. CarlsonApril 2011
Development of Field Performance Evaluation Tools and Program for Pavement Marking Materials: Technical Report0-5548-1Y. Zhang, H. Ge, A.M. Pike, P.J. CarlsonMarch 2011
Evaluation of Traffic Control Devices, Year 29-1001-1P.J. Carlson, A.M. Pike, J.D. Miles, B.R. Ullman, R. Stevens, D.W. BorchardtMarch 2011
Development of a Model Performance-Based Sign Sheeting Specification Based on the Evaluation of Nighttime Traffic Signs Using Legibility and Eye-Tracker Data0-5235-1-VOL1P.J. Carlson, J.D. Miles, E. Park, S.E. Young, S.T. Chrysler, J.E. ClarkSeptember 2010
On-Going Evaluation of Traffic Control Devices0-6384-1P.J. Carlson, R.P. Bligh, A.M. Pike, J.D. Miles, W.L. Menges, S.C. PaulusSeptember 2010
Development of a Model Performance-Based Sign Sheeting Specification Based on the Evaluation of Nightime Traffic Signs Using Legibility and Eye-Tracker Data: Data and Analyses0-5235-1-VOL2P.J. Carlson, E. Park, J.D. MilesSeptember 2010
Evaluation of Potential Benefits of Wider and Brighter Edge Line Pavement Markings0-5862-1J.D. Miles, P.J. Carlson, R.M. Eurek, J.M. Re, E. ParkJuly 2010
Determining Nighttime Driver Signing Needs0-5235-SP.J. Carlson, J.D. Miles, E. Park, S.E. Young, S.T. ChryslerFebruary 2010
Mobile Retroreflectivity Best Practices Handbook0-5656-P1R.J. Benz, A.M. Pike, s. Kuchangi, R.Q. Brackett, P.J. CarlsonJuly 2009
Development of Measures to Improve Field Performance of Retroreflective Raised Pavement Markers0-5089-1Y. Zhang, J. Tong, P.J. Carlson, H.G. Hawkins, Jr., P.B. KeatingFebruary 2009
Minimum Retroreflectivity Levels for Blue and Brown Traffic SignsFHWA-HRT-08-029A.J. Holick, P.J. CarlsonApril 2008
Advisory Speed Signing and Pavement Markings on Freeway-to-Freeway Connectors0-4813-SA.P. Voigt, D.W. Borchardt, P.J. Carlson, C.R. Stevens, S.P. KuchangiDecember 2007
Development of Guidelines for Establishing Effective Curve Advisory Speeds0-5439-1J.A. Bonneson, M.P. Pratt, J.D. Miles, P.J. CarlsonOctober 2007
Horizontal Curve Signing Handbook0-5439-P1J.A. Bonneson, M.P. Pratt, J.D. Miles, P.J. CarlsonOctober 2007
Evaluation of Wet-Weather and Contrast Pavement Marking Applications: Final Report0-5008-2P.J. Carlson, J.D. Miles, A.M. Pike, E. ParkAugust 2007
Identifying and Testing Effective Advisory Speed Setting Procedures0-5439-SJ.A. Bonneson, M.P. Pratt, J.D. Miles, P.J. CarlsonAugust 2007
Evaluation of Wet-Weather and Contrast Pavement Marking Applications0-5008-SP.J. Carlson, J.D. Miles, A.M. Pike, E. Park, M.P. PrattFebruary 2007
Raised Pavement Marker Improvements0-5089-SY. Zhang, P.J. Carlson, H.G. Hawkins, Jr., S.D. Schrock 2007
Clearview Font on Negative Contrast Traffic Signs: Summary Report0-4984-SA.J. Holick, S.T. Chrysler, P.J. CarlsonMay 2006
Evaluation of the Clearview Font for Negative Contrast Traffic Signs0-4984-1A.J. Holick, S.T. Chrysler, E. Park, P.J. CarlsonApril 2006
An Assessment of Various Pavement Marking Applications and Rumble Strip Designs0-4728-SM.D. Finley, J.D. Miles, P.J. CarlsonDecember 2005
Evaluation of Traffic Control Devices: Second Year Activities0-4701-2H.G. Hawkins, Jr., R. Garg, P.J. Carlson, A.J. HolickOctober 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
Evaluation of Wet-Weather Pavement Markings: First Year Report0-5008-1P.J. Carlson, J.D. Miles, M.P. Pratt, A.M. PikeSeptember 2005
Research Recommendations for Uniform Rumble Strip Applications in Texas0-4472-SP.J. Carlson, J.D. MilesAugust 2005
Traffic Operational Impacts of Transverse, Centerline, and Edgeline Rumble Strips0-4472-2J.D. Miles, P.J. Carlson, M.P. Pratt, T.D. ThompsonMarch 2005
Research Recommendations for Delineator and Chevron Applications0-4052-SP.J. Carlson, E.R. Rose, S.T. ChryslerNovember 2004
Traffic Sign Retroreflectivity Issues0-1796-SH.G. Hawkins, Jr., P.J. Carlson, S.T. ChryslerSeptember 2004
Simplifying Delineator and Chevron Applications for Horizontal Curves0-4052-1P.J. Carlson, E.R. Rose, S.T. Chrysler, A.L. BischoffMarch 2004
Headlamp Illumination Provided to Sign Positions by Passenger Vehicles0-1796-3S.T. Chrysler, P.J. Carlson, H.E. HawkinsOctober 2003
Legibility of Microprismatic Sheeting and Clearview Alphabet: Summary Report0-4049-SP.J. CarlsonOctober 2003
Traffic Operational Impacts of Higher-Conspicuity Sign Materials0-4271-1T.J. Gates, H.G. Hawkins, Jr., A.J. Holick, P.J. Carlson, S.T. Chrysler, N.L. HogueOctober 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
Nighttime Guide Sign Legibility for Microprismatic Clearview Legend on High Intensity Background0-1796-4A.J. Holick, P.J. CarlsonSeptember 2003
Effectiveness of Rumble Strips on Texas Highways: First Year Report0-4472-1P.J. Carlson, J.D. MilesSeptember 2003
Nighttime Legibility of Ground-Mounted Traffic Signs as a Function of Font, Color, and Retroreflective Sheeting Type0-1796-2S.T. Chrysler, P.J. Carlson, H.E. HawkinsSeptember 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
A Review of TxDOT Signing Operations0-1796-1H.E. Hawkins, P.J. Carlson, R. Collins, G. BrinkmeyerMarch 2002
Use of Innovative Traffic Control Devices to Improve Safety at Short-Term Rural Work Zones0-1879-SM.D. Fontaine, P.J. Carlson, H.E. HawkinsDecember 2001
Evaluation of Clearview Alphabet with Microprismatic Retroreflective Sheetings0-4049-1P.J. CarlsonAugust 2001
Using Traffic Legislation to Improve Work Zone Safety1720-SG.L. Ullman, P.J. Carlson, N.D. TroutJune 2001
Revising the Traffic Signal Warrants to Better Accommodate Pedestrians and Cyclists: Summary Report0-2136-SP.J. Carlson, S.M. TurnerJune 2001
Revising the Traffic Signal Warrants to Better Accommodate Pedestrians and Cyclists0-2136-1P.J. Carlson, S.M. TurnerMay 2001
The TxDOT Sign Crew Field Book1373-SH.E. Hawkins, P.J. CarlsonDecember 2000
Pedestrian Crossing Guidelines for Texas0-2136-P1S.M. Turner, P.J. CarlsonDecember 2000
Design Factors that Affect Driver Speed on Suburban Arterials1769-SK.M. Fitzpatrick, P.J. Carlson, M.D. Wooldridge, M.A. BrewerNovember 2000
Evaluation of Fluorescent Orange Signs7-2962-SH.E. Hawkins, P.J. Carlson, M.P. ElmquistOctober 2000
Evaluation of Traffic Control Devices for Rural High-Speed Maintenance Work Zones0-1879-1P.J. Carlson, M.D. Fontaine, H.E. HawkinsOctober 2000
Evaluation of Traffic Control Devices for Rural High-Speed Maintenance Work Zones: Second Year Activities and Final Recommendations0-1879-2M.D. Fontaine, P.J. Carlson, H.E. HawkinsOctober 2000
Design Factors That Affect Driver Speed on Suburban Arterials1769-3K.M. Fitzpatrick, P.J. Carlson, M.D. Wooldridge, M.A. BrewerJune 2000
Work Zone Traffic Legislation in Texas1720-3G.L. Ullman, P.J. Carlson, N.D. TroutDecember 1999
Traffic Signal Warrants - Guidelines for Conducting a Traffic Signal Warrant Analysis7-3991-2H.E. Hawkins, P.J. CarlsonJune 1999
Evaluation of Weathering Data for Fluorescent Orange SheetingTRB 990637H.E. Hawkins, P.J. Carlson, M. Elmquist 1999
Logistic Models of Violation Behavior at Gated Highway Rail Grade CrossingsTRB 990259K.M. Fitzpatrick, P.J. Carlson 1999
Driver Speed vs. Crash Risk: Pilot Study SummaryTTI-1998-3J.H. Ogle, O.J. Pendleton, L.I. Griffin, P.J. CarlsonMarch 1998
Implementation Action Items for Research Study Number 7-2987TTI-1997-1K.M. Fitzpatrick, P.J. Carlson, R.E. Bartoskewitz, J.A. BeanOctober 1997
Traffic Violations at Gated Highway-Railroad Grade Crossings7-2987-1K.M. Fitzpatrick, P.J. Carlson, J.A. Bean, R.E. BartoskewitzOctober 1997
Demonstration of Automated Enforcement Systems at Selected Highway-Railroad Grade Crossings in Texas7-2987-2FK.M. Fitzpatrick, R.E. Bartoskewitz, P.J. CarlsonOctober 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
Impact of Minimum Retroreflectivity Values on Sign Replacement Practices1275-1FH.E. Hawkins, P.J. Carlson, J.B. McCaleb, C.R. McIlroyOctober 1996
Evaluation of Potential Traffic Signal Warrant Considerations7-3991-1P.J. Carlson, H.E. Hawkins