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.
Freeway bottlenecks are a primary source of congestion, and the removal of several bottlenecks in Dallas has shown a favorable reduction in delay. Solving a freeway bottleneck can be highly complex, and existing analytical tools have been inadequate for congested conditions. Driving behaviors in congestion were observed at several sites on freeways
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This series of surveys to determine the safety belt and motorcycle helmet use rates in Virginia was initiated to qualify the Commonwealth for incentive funds in accordance with the requirements of Section 153 of the Intermodal Surface Transportation Efficiency Act of 1991. To receive the funds, states had to meet specified standards with regard to
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The corrosion protection performance of epoxy-coated reinforcing steel (ECR) was assessed in three bridge decks and the pilesin three marine structures in Virginia in 1996. The decks were 17 years old, two of the marine structures were 8 years old, and theother marine structure was 7 years old at the time of the investigation. The deck investigatio
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The present survey reports the results of a direct observation survey of safety belt use conducted in the fall of 1997. In this study, 10,307 occupants traveling in four vehicle types (oassenger cars, sport-utility vehicles, vans, and pickup trucks) were surveyed between August 28 and September 18, 1997. Belt use was estimated separately for each v
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Dynamic response has long been recognized as one of the significant factors affecting the service life and safety of bridge structures. Even though considerable research, both analytical and experimental, has been devoted to dynamic bridge behavior, the identification and extent of the controlling parameters that govern dynamic response have still
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Oregon law requires motorists driving under the influence of intoxicants (DUII) to be sentenced with some sanctions, and allows judges the use of additional sanctions. Sanctions including drug/alcohol treatment, jail time, community service, etc., are not;Prepared in cooperation with ECO Northwest, Portland, OR. Sponsored by Federal Highway Adminis
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Under the Federal Highway Administration's (FHWA) International Technology Scanning Program, a team of 13 U.S. bridge engineers and advanced composite experts from Federal and State transportation agencies, academia, and industry conducted a 2-week scanning tour of Europe and Japan. The purpose of the tour was to assess the state of technology in t
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United States. Department of Transportation. Maritime Administration
1997-10-01
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Bolivian cocaine production has been increasing and Argentine traffickers are playing a greater role in direct exportation of Bolivian cocaine to the United States and Europe. Development of the Paraguay-Parana river system (Hidrovia) into an efficient regional commercial inland waterway route has begun, linking Bolivian and Southern Cone Atlantic
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The FY 1998-2000 Statewide Transportation Improvement Program (STIP) is a three-year program of highway and transit projects developed to fulfill the requirements set forth in the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA). The FY 1998-2000 STIP totals $6.71 billion with $2.875 billion for highway improvements and $3.839 billi
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Literature reviews are to a scientist what the investigative report is to a crime-beat newsreporter. The investigation of the topic in question here revealed a vast wealth of information thateventually was digested as we dug deeper and deeper into the topic. With this preamble in mind,this literature review of slow release fertilizers will take man
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This report provides details and results of the pallet system study performed by Battelle Memorial Institute under the guidance and sponsorship of Armstrong Laboratory Logistics Research Division. The 6 month study focused on the 463L pallet system which is the core component of the air cargo mobility system.
Brittle cast aluminum transformer bases used as breakaway supports for luminaire poles to protect occupants during vehicular collisions, must also resist moments caused by lateral wind loads. To study its moment capacity, a three-dimensional finite element model using CSA/NASTRAN was developed for analyzing both TBl-17 and TB3-17 t-base models. To
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The Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA), Section 3019 included the provisions for the Federal Transit Administration (FTA) Turnkey Demonstration Program. The FTA is responsible through Section 3019 to develop turnkey guidelines based on the comparative cost and schedule differences between conventional and turnkey proje
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A traffic simulation model was developed to provide a methodology for traffic signal timing in oversaturated urban arterial networks. Two control objectives of traffic signal timing in oversaturated conditions were taken into consideration. One was to maximize the number of vehicles processed in an arterial network, which has an oversaturated traff
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The principal investigators addressed many aspects of distance learning in a recently taught TEL8 course on bridge engineering. Their efforts are outlined in this report with respect to this course. The fruit of their effort is a better and more technologically advanced method of coupling TEL8 courses with the use of world-web technology. Instructo
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