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 evaluated transportation improvement alternatives for the US 59 Southwest Freeway corridor from the full-cost, life-cycle approach perspective. The alternatives involve hypothetical facility improvements as well as vehicle occupancy improvements. Our findings suggest that the current facility will not be able to service the projected pe
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This study examines telecommuting programs at six agencies and businesses within Texas. The characteristics of the programs are summarized and the experiences with telecommuting are presented. Available reports, interviews with management personnel and telecommuters, and surveys of telecommuters are used to assess the telecommuting programs at the
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The environmental risks associated with the use of seven herbicides and three insecticides comprising a portion of the Texas Department of Transportation I s roadside pest management program were assessed. The materials were classified as EPA Category 3 or 4, signifying minimal toxicity. Although the chemicals used may pose a threat to environmenta
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The Houston Smart Commuter ITS Operational Test is assessing the potential to gain more efficient use of major travel corridors through greater utilization of high-occupancy commute modes, shifts in travel routes, and changes in time of travel through the application of innovative approaches using advanced technologies. The Houston Smart Commuter I
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The environmental risks associated with the use of seven herbicides and three insecticides comprising a portion of the Texas Department of Transportation's roadside pest management program were assessed. The materials were classified as EPA Category 3 or 4, signifying minimal toxicity. Although the chemicals used may pose a threat to environmental
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The environmental risks associated with the use of seven herbicides and three insecticides comprising a portion of the Texas Department of Transportation's roadside pest management program were assessed. The materials were classified as EPA Category 3 or 4, signifying minimal toxicity. Although the chemicals used may pose a threat to environmental
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The Texas Department of Transportation; San Antonio District, is developing the San Antonio Traffic Management System (TransGuide). TransGuide is envisioned to be the next evolution in control systems in the management of traffic. The initial phase of the Advanced Traffic Management System program is now under construction. This study has identifie
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The objective of the research was to develop a procedure for evaluating the operations along one-way and two-way freeway frontage roads. The developed procedure is based on the arterial analysis chapter of the Highway Capacity Manual and includes consideration of the delays that are incurred at ramp junctions. To develop the level-of-service analys
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The main objectives of this study were to develop procedures for estimating the level of service on freeway frontage roads and to determine desirable spacings for ramp junctions. The tasks involved developing 1) procedures for analyzing frontage road weaving sections, 2) recommended spacing requirements for ramp junctions, and 3) a technique to eva
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A structural model is used to explain activity interactions between heads of households, and, in so doing, to explain household demand for travel. The model attempts to capture links between activity participation and associated derived travel, links between activities performed by male and female heads, links between types of travel, and time-budg
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This document is the State of Minnesota, Statewide Transportation Improvement Program (STIP) for 1997-1999. The document includes an introduction, or overview, of the anticipated expenditures for all modes of transportation under the authority of the Minnesota Department of Transportation (Mn/DOT). The document is organized into three chapters and
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An effective, formed-in-place joint seal will respond with elastic or viscoelastic behavior over a reasonable design life to any large movement of the joint without adhesive or cohesive failure. For a given joint movement, seals with lower stiffness are most able to deform without cohesive or adhesive failure of the seal or of the structure to whic
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The purpose of this document is to provide general approaches for identifying and evaluating injuries to natural resources from incidents involving oil.
The purpose of the document is to provide trustees with general guidance for early assessment activities required under the preassessment phase of the OPA regulations.
The purpose of this document is to provide trustees with general guidance to develop restoration plans under OPA that comply with NEPA's procedural requirements. The focus of this document is to more fully describe the processes and products required for restoration planning under OPA regulations.
This is the statement of Keith O. Fultz, Assistant Comptroller General, Resources, Community, and Economic Development Division, General Accounting Office (GAO), before the Committee on Commerce, Science, and Transportation, U.S. Senate, on the threat to aviation and what can be done to increase aviation security. The testimony covers (1) the threa
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The Fatal Accident Reporting System (FARS), established in 1975, collects detailed information on all fatal crashes occurring in the U.S. each year. Presently, twenty-one (21) years of data from the period 1975 through 1995 are available for analysis. This Research Note presents the findings from a study of the fatality trends by the day of week on
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United States. Department of Transportation. National Highway Traffic Safety Administration
1996-08-01
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National Highway Traffic Safety Administration's National Center for Statistics and Analysis (NCSA) recently completed a study comparing the characteristics of crashes occurring in rural areas to the characteristics of crashes occurring in urban areas. The NCSA study examines the characteristics of rural crashes of all severities and contrasts key
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This report describes the findings of three experiments that concern driver reaction to acoustic signals that might be used for backup warning devices. Intelligent warning devices are under development that will use vehicle-based sensors to warn backing drivers of the presence of objects behind the vehicle. The research described here is part of a
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The sugar cane fiber geotexiles performed as well as the commercial products and exhibited grass propagation and slope protection equivalent to other products. Sugar cane fiber mats were superior in conformation to the slope even after heavy rains. Because of the long fiber entanglements, short fiber matting, and the retained lignin acting as an ad
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