A traffic accident records system is a necessity for a cost-effective safety program at any level of government. The more complete the system, the more potential exists for the application of scarce resources to those accident countermeasures that will be most effective in reducing accidents at the lowest cost. The Federal Highway Administration (F
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United States. Federal Highway Administration. Office of Environment and Planning
1998-02-01
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This report is the fifth annual national review of activities funded under the Congestion Mitigation and Air Quality Improvement (CMAQ) Program, covering fiscal year (FY) 1996. It covers the distribution of funding among project categories, an assessment of emissions reductions analyses as required under the program guidance, as well as comments on
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This is one of a series of documents providing support for deploying Intelligent Transportation Systems (ITS). This document focuses on traffic signal control, a component of ITS. It aims to provide practical help for the traffic engineering community with deploying traffic signal control systems in an integrated, multimodal environment using the N
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United States. Joint Program Office for Intelligent Transportation Systems
1998-02-01
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This document has been produced to provide senior transportation managers of state and local departments of transportation with practical guidance for deploying Intelligent Transportation Systems (ITS) consistent with the National ITS Architecture. The purpose of this document is to show specific ways in which the National ITS Architecture can be u
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Collisions with roadside objects account for almost one-third of the traffic fatalities in the United States, and a large amount of serious injury and accident costs. A measure of the average severity of these impacts, the Severity Index (SI), is used by highway safety engineers in determining where best to spend roadside improvement funds. Since a
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The objective of this project is to develop revised operational analysis procedures for transportation facilities with pedestrian and bicyclist users. This document describes the effects of pedestrians and bicyclists on the capacity of signalized intersections. These procedures augment the existing Highway Capacity Manual signalized intersection Le
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The objective of this project was to develop revised operational analysis procedures for transportation facilities with pedestrian and bicyclist users. This document contains both new and revised procedures for analyzing various types of exclusive and mixed-use bicycle facilities. These procedures are recommended to determine the level of service f
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A contractor quality control plan (CQCP) is the documentation of the contractor’s process for delivering the level of construction quality required by the contract. This document is intended to provide guidance to Federal Lands contractors, subcontractors and suppliers as to what is expected from CQCPs, and what the criteria for accepting and using
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North Carolina State University. Department of Civil Engineering
1998-02-01
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The objective of this project is to develop revised operational analysis procedures for transportation facilities with pedestrian and bicyclist users. This document contains both new and revised procedures for analyzing various types of exclusive and mixed-use pedestrian facilities. These procedures are recommended to determine the level of service
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How reliable must traffic information be for motorists to trust and accept such advice? This study provides data to aid the designer of Advanced Traveler Information Systems (ATIS) in selecting an appropriate level of system accuracy. The Battelle Route Guidance Simulator was used to study: (1) the effects of information accuracy, and (2) familiari
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United States. Joint Program Office for Intelligent Transportation Systems
1998-01-02
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This brochure describes advancements in information technologies and electronics that can be applied to the transportation infrastructure and communication efforts.
This document is part of an integrated program to develop human factors guidelines for advanced in-vehicle information systems. This document provides both an analytic and empirical determination of the human factors issues specific to user acceptance of Advanced Traveler Information Systems (ATIS) and Commercial Vehicle Operations (CVO) systems. P
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Three operating prototype Automatic Truck Rollover Warning Systems (ATRWS) installed on the Capital Beltway in Maryland and Virginia were evaluated for 3 years. The general objectives of this evaluation were to assess how the ATRWS performed and to determine its cost-effectiveness. More specifically, the requirements of this project were to: (1) Ev
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This is the final report in a study to demonstrate the feasibility of using cathodic protection (CP) on concrete bridge structures containing prestressed steel. The interim report, FHWA-RD-95-032, has more details on the installation of selected CP systems. Past laboratory and test yard studies had indicated that overprotection could result in the
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This report documents the early observations from the Long-Term Pavement Performance (LTPP) Specific Pavement Studies (SPS) conducted as part of the LTPP Program Data Insight conducted to identify initialfindings from the test sections established for this program. Comparisons of performance trends were made to evaluate both the distinctions betwee
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The Office of International Programs promotes U.S. technology and highway transportation expertise abroad to assist the U.S. private sector in competing globally through the export of goods and services. By supporting government-to-government relationships, the FHWA helps to establish a U.S. presence and reputation for quality in international mark
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This is the 1997 edition of a series of reports required by Congress on America's surface transportation system. The report provides information on the physical and operating characteristics of the highway, bridge, and transit portions of our Nation's intermodal transportation system. It also discusses the current financing of those transportation
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This report documents the analysis and findings of a study to identify the site conditions and design/construction features of concrete pavements (JPCP, JRCP, CRCP) that lead to good performance and those that lead to poor performance. Data from Long-Term Pavement Performance(LTPP) test sections were used along with findings from previous and ongoi
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