The report contains an assessment of existing port infrastructure related to United States-Mexico trade, planned infrastructure improvements, an identification of current trade and transportation flows, and an assessment of emerging trade corridors. It is a first step in the development of a more comprehensive understanding of trade and traffic flo
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The U.S. Department of Transportation, Federal Highway Administration, with the support of the Volpe National Transportation Systems Center is examining the technical and economic feasibility of tube transportation as an alternative to increasing capacity for long-haul trucking on the Nation's highways. Tube transportation is a class of transportat
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A study with the objectives of providing guidelines for timing of contraction joint saw cutting to avert uncontrolled pavement cracking and providing guidelines for early loading of pavements by construction traffic has been conducted. A laboratory study of early age (4 to 24 hours) and early pavement loading (1 to 28 days) concrete strength proper
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The purpose of this study is to support the roadside aspect of the FHWA High Priority National Research Area on "Highway Safety Design Practices and Criteria." The objectives of this study are to: (1) identify issues and gaps in the state of the knowledge needed to improve the costeffectiveness analysis procedure, to be developed under NCHRP Projec
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State highway agencies have plans and records on the type and depth of foundations for most federal-aid highway system bridges, though, not nearly as much data exists for off-system bridges. Information on type and depth of the foundations, however, is essential for conducting scour evaluations in order to respond to criteria for the National Bridg
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This project evaluated the effectiveness of symbol traffic signs for young, middle-aged and elderly drivers. Daytime legibility distance and comprehension of 85 symbols in the Manual on Uniform Traffic Control Devices (MUTCD) were measured. Legibility distance under night and night-with-glare conditions, glance legibility, reaction time and conspic
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This test report contains the results of a crash test performed at the Federal Outdoor Impact Laboratory (FOIL) in McLean, Virginia. The test was performed on a small sign support system at 60 mi/h (96.6 km/h), test 92F038. The vehicle used for this test was a 1986 Honda Civic. The purpose of this test was to evaluate the high-speed safety performa
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United States. Department of Transportation. Federal Highway Administration
1994-01-01
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PDF
This booklet contains examples of successful urban highway reconstruction projects accomplished by State and local governments in cooperation with the Federal Highway Administration (FHWA). These projects presented unique challenges in integrating transportation needs with other community and historic preservation concerns. These innovative design
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Technology Exchange Program. University of Kentucky
1994-01-01
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PDF
This study was undertaken to document accomplishments of the Technology Transfer (T2) Centers, funded through the Local Technical Assistance Program (LTAP) of the Federal Highway Administration in partnership with State highway agencies, universities, and local governments. The study further documents the benefits that local governments have derive
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United States. Department of Transportation. Federal Highway Administration
1994-01-01
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PDF
This booklet contains examples of creative design solutions that promote recreational uses near highway projects. These projects were accomplished by State and local governments in cooperation with the Federal Highway Administration (FHWA). Walking/bicycle trails, golf courses, and easy access to parks and scenic vistas are among these innovative s
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United States. Department of Transportation. Federal Highway Administration
1994-01-01
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PDF
The Local Technical Assistance Program (LTAP) stimulates active, progressive and cost-effective transfer of highway technology and technical assistance to rural and local government. The LTAP accomplishes this by funding a variety of activities and projects that link local highway agencies, tribal governments, the States, universities, and the Fede
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The report deals with the analysis of the issues and risks associated with the development, operation and deployment of vehicles for five representative system configurations (RSCs) of automated highway systems (AHS).
This manual represents the first formal training document that embodies the complete series of SUPERPAVE asphalt binder test equipment and procedures. These tests and procedures represent the results of the SHRP 5-year research effort to investigate and improve asphalt cement technology. This manual was developed under the FHWA's National Asphalt T
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This English/Spanish version is a translation of the "Urban Public Transportation Glossary" (TRIS 485470) published by the Transportation Research Board (TRB), National Research Council, Washington, D.C., in 1989, which was an update of the "Glossary of Urban Public Transportation Terms" (TRB Special Report 179; TRIS 185409) published in 1978. The
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The Marshall method is used by many State and local highway agencies for the design of hot-mix asphalt. Although the procedure is specified by several industry standards, round-robin testing programs have confirmed wide variability in Marshall results. Much of the scatter in the data is attributed to compaction hammer variables, such as variation i
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The manual is designed to assist transportation planners and engineers in selecting roadway design treatments to accommodate bicycles. This is the first attempt to provide comprehensive guidelines for this process. The recommendations are based on assumptions regarding policy goals and the types of bicyclists to be accommodated, the state of the pr
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