The US Transportation Collection consists of documents from across all transportation modes with specific focus on research reports from US DOT, state DOTs, and other transportation organizations.
Bookmark this collection: https://rosap.ntl.bts.gov/collection_ust or https://doi.org/10.21949/1530857.
Important experience has been gained in the successful use of sulfur extended-asphalt (SEA) binder in an open graded friction course (OGFC) in field trials conducted on Loop 495 in Nacogdoches, Texas on August 7 and 8, 1980. This project was the first whereby the State Department of Highways and Public Transportation (SDHPT) has used SEA in an 'OGF
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Benson, F. C. and Gallaway, B. M. (1981). Field Trials of Sulphur-Extended-Asphalt Binder in Open Graded Friction Course Loop 495, Nacogdoches, Texas: A Detailed Construction Report.
Benson, F. C. and Gallaway, B. M. "Field Trials of Sulphur-Extended-Asphalt Binder in Open Graded Friction Course Loop 495, Nacogdoches, Texas: A Detailed Construction Report" (1981)
Benson, F. C. and Gallaway, B. M. "Field Trials of Sulphur-Extended-Asphalt Binder in Open Graded Friction Course Loop 495, Nacogdoches, Texas: A Detailed Construction Report" , 1981
Five fly ashes produced in Texas from sub-bituminous coals and lignites were analyzed in terms of variability and their effect on fresh properties of mortars. As these fly ashes contain significant quantities of CaO, a rapid and reliable method of determining the total CaO content was developed. Using the CaO Heat Evolution Test. the CaO content ca
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McKerall, William C. et al. (1981). Analysis of Fly Ashes Produced in Texas.
McKerall, William C. and Ledbetter, W. B. and Teague, David J. "Analysis of Fly Ashes Produced in Texas" (1981)
McKerall, William C. et al. "Analysis of Fly Ashes Produced in Texas" , 1981
Maintenance overlays that included a fabric underlayment were placed on three sections of interstate and primary highways in 1980. The fabric is intended to waterproof the old surface and strengthen the overlay. The report describes the installation and discusses the early performance of the overlaid sections.
Hughes, Charles S (1981). Use of fabric in flexible pavements, 1980 : installation report..
Hughes, Charles S "Use of fabric in flexible pavements, 1980 : installation report." (1981)
Hughes, Charles S "Use of fabric in flexible pavements, 1980 : installation report." , 1981
The majority of previous land use impact studies have been devoted to investigating the effects that new highway construction has on land use change and development. In view of the new emphasis placed upon upgrading and redesigning existing facilities rather than building new ones, highway planners need information relative to the influence that ex
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Buffington, Jesse L. and Herndon Jr, Cary W. (1981). Land Use Impact of Improving Section Three of Westheimer Road in a Developing Area in Houston, Texas.
Buffington, Jesse L. and Herndon Jr, Cary W. "Land Use Impact of Improving Section Three of Westheimer Road in a Developing Area in Houston, Texas" (1981)
Buffington, Jesse L. and Herndon Jr, Cary W. "Land Use Impact of Improving Section Three of Westheimer Road in a Developing Area in Houston, Texas" , 1981
The study reported here has revealed very poor agreement between air contents determined by the Chace air indicator (CAI) and those by the pressure method. In tests of highway concretes the pressure method gave values typically 30% higher than anticipated based on the CAI readings, which could result in the production of concrete with lower than an
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Sprinkel, Michael M and Lee, Bryan (1981). The Chace air indicator..
Sprinkel, Michael M and Lee, Bryan "The Chace air indicator." (1981)
Sprinkel, Michael M and Lee, Bryan "The Chace air indicator." , 1981
This interim report summarizes results obtained for the project through May 1981. The objective of the study is to develop rainfall loss parameters for localities in Virginia. For this purpose, the state has been divided into eleven hydrologic regions, and loss parameters will be determined for three or more selected in each of these watersheds. Pa
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Yu, Shaw L (1981). Determination of rainfall losses in Virginia, phase II : interim report..
Yu, Shaw L "Determination of rainfall losses in Virginia, phase II : interim report." (1981)
Yu, Shaw L "Determination of rainfall losses in Virginia, phase II : interim report." , 1981
During the past year, which was the final one on a 3-year efforts were focused principally on the continuing develop facility which was employed to study control and communication. This was done in the context of high-speed (to 26.8 m/s) operations at time headways as small as 1 s. The principal accomplishments during this final year were: (1) The
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Fenton, R. E. et al. (1981). Fundamental Studies in Automatic Vehicle Control.
Fenton, R. E. et al. "Fundamental Studies in Automatic Vehicle Control" (1981)
Fenton, R. E. et al. "Fundamental Studies in Automatic Vehicle Control" , 1981
This study attempted to determine the impact of the driver improvement program on Virginia's traffic and safety environment in terms of accidents and traffic convictions averted as a result of appropriate treatment, and to establish an ongoing system of data collection to be used by the Division of Motor vehicles to continually evaluate the effecti
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Lynn, Cheryl (1981). An evaluation of the short-term effects of the Virginia driver improvement program : interim report..
Lynn, Cheryl "An evaluation of the short-term effects of the Virginia driver improvement program : interim report." (1981)
Lynn, Cheryl "An evaluation of the short-term effects of the Virginia driver improvement program : interim report." , 1981
This report describes a method for locating historic site information using a computer graphics program. If adopted for use by the Virginia Department of Highways and Transportation, this method should significantly reduce the time now required to determine the locations of historically significant sites and their proximity to highway and transport
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McGeehan, Daniel D. (1981). The feasibility of using computer graphics in environmental evaluations : interim report, documenting historic site locations using computer graphics..
McGeehan, Daniel D. "The feasibility of using computer graphics in environmental evaluations : interim report, documenting historic site locations using computer graphics." (1981)
McGeehan, Daniel D. "The feasibility of using computer graphics in environmental evaluations : interim report, documenting historic site locations using computer graphics." , 1981
Four bituminous mixes were tested in the laboratory to determine the effect of variations in the concentration of baghouse fines on the density and tenderness of bituminous mixes. On the basis of results indicating that the gradation of baghouse fines is the best indicator of potential problems, a procedure was recommended for checking the gradatio
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Maupin, G. W (1981). Effect of baghouse fines on compaction of bituminous concrete..
Maupin, G. W "Effect of baghouse fines on compaction of bituminous concrete." (1981)
Maupin, G. W "Effect of baghouse fines on compaction of bituminous concrete." , 1981
With construction of the interstate and arterial highway systems nearing completion, the Department's major concern has shifted to maintenance. Because the highways must be maintained to very high standards, the reduced buying power means that frugality and efficiency are essential. Consequently, the Department must continue to seek ways of cutting
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Mahone, David C et al. (1981). Virginia's mowing experiments..
Mahone, David C and Clements, W. R and Fink, R. L "Virginia's mowing experiments." (1981)
Mahone, David C et al. "Virginia's mowing experiments." , 1981
Senate Bill 85, passed by the General Assembly in 1978, renamed the Highway Safety Division of Virginia the Department of Transportation Safety (VDTS) and authorized it to participate in the evaluation of current safety measures in all modes of transportation to recommend to the Governor and General Assembly possible corrective measures, policies a
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Plevin, Amy J (1981). Commonwealth of Virginia, Department of Transportation Safety, transportation safety plan for the period July 1, 1981-June 30, 1982..
Plevin, Amy J "Commonwealth of Virginia, Department of Transportation Safety, transportation safety plan for the period July 1, 1981-June 30, 1982." (1981)
Plevin, Amy J "Commonwealth of Virginia, Department of Transportation Safety, transportation safety plan for the period July 1, 1981-June 30, 1982." , 1981
This report presents the findings from a six-year study of two-course bonded concrete bridge decks constructed in Virginia. Each of three special portland cement concretes was applied as an overlay, or wearing course, on two experimental spans. The overlays were a latex-modified, a low-water/cement and a wire-fiber concrete. Two spans constructed b
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Tyson, Samuel S (1981). Two-course bonded concrete bridge deck construction : condition and performance after six years..
Tyson, Samuel S "Two-course bonded concrete bridge deck construction : condition and performance after six years." (1981)
Tyson, Samuel S "Two-course bonded concrete bridge deck construction : condition and performance after six years." , 1981
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