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 standard establishes the requirements for the assignment of priority indicators to messages exchanged between open end-systems in the Federal Aviation Administration (FAA) National Airspace System (NAS). The assignment of priority indicators shall be based on the relative importance of the messages to communicating open end-systems. This stand
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United States. National Transportation Safety Board
1994-05-10
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This report explains the crash of American International Airways Flight 808, a DC-8-61, about 1/4 mile from the approach end of runway 10 at Leeward Point Airfield, U.S. Naval Air Station, Guantanamo Bay, Cuba, on August 18, 1993. The safety issues discussed in the report include flightcrew scheduling, the effects of fatigue on flightcrew performan
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The Southern California Association of Governments (SCAG) commissioned the public opinion research firm of Fairbank, Maslin, Maulin and Associates to conduct focus groups and a public opinion survey on issues related to and addressed by the 1994 Draft Regional Comprehensive Plan (RCP). The objectives of the RCP research program were to identify pri
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This report documents methods of fatigue analysis for overhead sign and signal structures. The main purpose of this report is to combine pertinent wind loading and vibration theory, fatigue damage theory, and experimental data into a useable fatigue analysis method for overhead sign and signal structures. Vibrations and forces induced by vortex she
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A video image detection system (VIDS) is an advanced wide-area traffic monitoring systemthat processes input from a video camera. The Autoscope VIDS coupled with an informationmanagement system was selected as the monitoring device because testing had shown it tobe the most advanced system available with respect to performance, reliability, and acc
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William J. Hughes Technical Center (U.S.). Air Traffic Data Link Validation Team
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1994-05-01
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This report documents the first Federal Aviation Administration (FAA) design development study of an initial group of en route air traffic control (ATC) services designed for transmission by Data Link technologies using the Initial Sector Suite System (ISSS) as an air traffic controller interface. The research was conducted by the FAA Technical Cen
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In every industry, safety is a top priority. This is particularly true in the trucking industry, as evidenced by the increases in roadside inspections and safety reviews conducted each year and new legislation implemented. However, some costs to the industry, and ultimately society, from these requirements may be able to be diminished. Safety revie
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The ferry system functions as a set of marine highway links in the metropolitan transportation system. Since bridge alternatives have been virtually eliminated from consideration for cross Sound travel due to cost and public dissent, the ferries are an important mode for the foreseeable future to connect highway routes on each side of Puget Sound.
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The Urban Mass Transportation Administration's Alternative Fuel Initiative and the Environmental Protection Agency's 1991 regulations on transit bus exhaust emissions has resulted in a number of alternative fueled transit bus research and demonstration activities. Since the chemical and physical properties for liquified natural gas (LNG) are signif
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In Croson, the U.S. Supreme Court adopted strict new standards of judicial review for testing the legality of race-conscious state and local public purchasing and contracting programs. To meet the new standards, a government entity must assemble a public record documenting the extent to which problems of overt and institutional discrimination exist
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This report, entitled "Introduction to and Executive Summary of Texas Department of Transportation Study 7-980," is the seventh and final volume of the seven-volume "Disadvantaged Business Enterprise (DBE) Capacity Study." Study 7-980 was undertaken at the request of the Texas Department of Transportation in partial response to its obligations unde
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United States. Department of Transportation. Maritime Administration
1994-05-01
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Annual Reports of the Maritime Administration
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The Annual Report of the Maritime Administration (MARAD) for the fiscal year (FY) which ended on September 30, 1993, is submitted to Congress in accordance with Section 208 of the Merchant Marine Act of 1936, as amended. It incorporates reports on acquisition of obsolete vessels in exchange for vessel trade-in credit, war risk insurance activities,
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Freeway ramp metering systems have been used to improve urban freeway flow. However, control strategies must be properly adjusted to account for ramp queue overflow onto surface streets and to provide equitable on-ramp control during various operating periods. An improved. solution can be obtained by optimizing this problem simultaneously for an ex
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This report summarizes the research results obtained from two field tests for Portland cement concrete pavements. One field test was carried out on test sections of jointed plain concrete pavement in Texarkana, Texas, and the other was carried out on test sections of continuously reinforced concrete pavement in La Porte, Texas. Laboratory tests and
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This report describes the tasks conducted during the first year of a three-year study evaluating the use of guide signs on conventional highways in rural areas. The tasks were concentrated in four basic activity areas: 1) assessment of current practice, 2) identification of driver information needs, 3) evaluation of guide sign legibility, and 4) id
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This report presents the results of the October 1993 survey of the automobile user panel established to assist in monitoring the traffic impacts of the North Central Expressway (NCE) reconstruction in the Dallas District. Overall, researchers detected only minimal changes in travel patterns and operating conditions. Perhaps more importantly, the ma
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The purpose of this report is to briefly document the activities and accomplishment of Phase II. A comprehensive report will be completed at the end of the third phase. Because the work is exploratory in nature, it is being conducted utilizing a close working relationship between the Iowa DOT and the Iowa Transportation Center at Iowa State Univers
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The incorporation of a cabin water spray system (CWSS) aboard commercial passenger aircraft has been suggested as a mechanism of reducing passenger death and injury from the fire and smoke commonly associated with aircraft accidents. A potential health risk associated with a CWSS is the physiological stress that would be imposed upon an individual
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This document reviews the history and current status of computer models of the evacuation of an airliner cabin. Basic concepts upon which evacuation models are based are discussed, followed by a review of the Civil Aerospace Medical Institute s efforts during the 1970s. A comparison is made of the three models available today (GA Model, AIREVAC, an
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The Transportation Legislative Data Base (TLDB) is a computer-based information service containing summaries of federal, state and certain local government statutes and regulations relating to the transportation of radioactive materials in the United States. The TLDB has been operated by the National Conference of State Legislatures (NCSL) under co
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