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.
This report summarizes the results of the three components of the 1984 NCTCOG Regional Travel Survey. Where possible, the data is compared to results from the 1964 Survey to examine the changes in travel patterns and trip characteristics over the past 20 years. The results of the Regional Travel Survey have implications on both the amount and patte
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This report, Volume I, is a condensed version of the RTAP Devils Lake Highway Impact Study. The purpose of the report is to present a synopsis of the methods and data employed and to highlight the findings.
The 1989 TRAFFIC ACCIDENT FACTS AND STATISTICS is a report published by the Center For Highway Safety of the Pennsylvania Department of Transportation. This publication is a statistical review of motor vehicle traffic accidents in the Commonwealth of Pennsylvania for the calendar year 1989. The figures are compiled from the traffic accident reports
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The objective of this study was to evaluate in-place pavements experiencing rutting and pavements experiencing no rutting to begin to classify asphalt mixtures that should perform satisfactorily and those that would likely rut under traffic. The information reported herein is part of a larger study to evaluate rutting in the field and in the labora
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This manual provides basic background information and step-by-step procedures for conducting traffic conflict surveys at signalized and unsignalized intersections. The manual was prepared as a training aid and reference source for persons who are assigned the responsibility of conducting traffic conflict observations at intersections. Based on prev
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The Official US DOT March was written in 1989 specifically for the DOT Secretary’s Award Ceremony. Sheet music composed for percussion, oboes, bass, bassoon, clarinet, alto sax, tenor sax, cornet, trombone, horns, piccolo, baritone, and conductor.
Truck weight data are required for pavement and bridge design, truck size and weight enforcement, and the development of administrative policy and legislation. The efficient collection and analysis of these data require that truck weighing-in-motion (WIM) equipment be used. Unfortunately, the high cost of these devices (greater than $50,000 per uni
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Recent national developments will have a potentially significant impact on the traffic monitoring program conducted by Texas and the other States. The most important of these are the implementation of the Federal Highway Administration (FHWA) Traffic Monitoring (TM) Guide and the traffic data portions of the experimental designs prepared for use in
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Beginning on April 1, 1988, police officers in the Commonwealth of Virginia were given the statutory authority to require that drivers suspected of driving under the influence of drugs (DUID) submit a blood sample to be tested for drug content. Although there are no quantitative measures to relate drug or drug metabolite concentration with impairme
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