This study was conducted to determine the differences in performance between 102-in. (259-cm) wide and 96-in. (244-cm) wide trucks and the impact that these trucks have on other traffic. Trucks which were studied primarily included random trucks in the traffic stream, although a limited amount of control truck data were also collected to account fo
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The objectives of Demonstration Project No. 88 are to disseminate relevant information and demonstrate various techniques and methods to assure that all high-strength bolts for bridges will be specified, purchased, manufactured and installed in accordance with the appropriate specification requirements. This volume is a guide for accomplishing thes
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">THIS SUMMARY REPORT FOCUSES ON MATRIX-TYPE CMSS, WITH PARTICULAR ATTENTION TO THE NEWER LIGHT-EMITTING SIGNS. ALTHOUGH THERE ARE MANY TYPES OF NEW AND EMERGING CMSS TECHNOLOGIES, CMSS THAT HAVE ACTUALLY BEEN INSTALLED FOR HIGHWAY APPLICATIONS ARE EMPHASIZED.">KEYWORDS:<BR>NATIONAL COMPATIBILITY PLANNING, VARIABLE MESSAGE SIGNS OR VMS, ADVANCED TR
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Missouri. Highway & Transportation Department Division of Materials and Research
1991-05-01
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Densities of bituminous mixtures, as determined by eight nuclear density gauges, were compared to the densities of cores at the same test locations. The densities determined by the two methods did not agree and varied with each gauge. However, the differences were relatively constant suggesting that good agreement could be obtained by use of a corr
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This document, the Bridge Inspector's Training Manual (BITM) 90, is a comprehensive manual on programs, procedures, and techniques for inspecting and evaluating a variety of in-service highway bridges. It is intended to replace the BITM 70 which was first published in 1970 to assist in training highway personnel for the new discipline of bridge saf
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This handbook is intended for those who maintain small traffic signs. It includes the following chapters: (I) Importance of Maintaining Small Traffic Signs; (II) Repair and Replacement of Sign Panels; (III) Repair and Replacement of Sign Supports; (IV) Materials and Equipment to Maintain Small Traffic Signs; (V) Traffic Control; (VI) Sign Maintenan
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United States. Federal Highway Administration. Office of Highway Safety
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1991-04-01
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This report presents data which can be used in the evaluation of the highway safety performance of the States. The data were submitted by the States through the Highway Performance Monitoring System operated by the Federal Highway Administration. The traffic accident statistics for 1989 show a decrease of about 1500 fatalities from 1988. A dispropo
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Highway Safety in the Nineties; The Highway Safety Information System: Applications and Future Directions; Full-Scale Side Impact Testing; Statistical Shortcomings in Traffic Studies
Selected data on highway toll facilities in the United States are contained in Table T-1 of this report based on a survey of facilities in operation, financed, or under construction as of January 1, 1990. The data include information such as the name, financing or operating authority, location and termini, feature crossed, length, and road system f
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United States. Department of Transportation. Federal Highway Administration. Office of Motor Carrier Standards
1991-02-01
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These interpretations are distilled and adapted from the official FHWA interpretations of the Commercial Driver's License (CDL) and related regulations in 49 CFR Part 383 and are intended to provide useful guidance to State personnel. If additional information or legal confirmation regarding any items(s) in this compendium, is needed, readers shoul
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Significant manpower and financial resources are expended annually by State, county, and municipal governments on snow and ice control programs. This research addressed the hazards associated with nonfunctioning highway safety features that occur with snow removal operations during both emergency and post-snowstorm cleanup, and how these hazards ca
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This handbook is specifically designed as a guide to highway engineers and blasting practitioners working with highway applications. It was used as a handbook for the FHWA course of the above title. The handbook is a basic review of explosives and their characteristics, along with explosive selection criteria. Initiations and timing effects as well
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On September 13 and 14, 1990, the Office of Motor Carriers (OMC), Federal Highway Administration (FHWA), U.S. Department of Transportation (DOT), sponsored a conference to develop medical standards for commercial motor vehicle driven with disorders of the lung and respiratory system. The conference convened an expert panel of 25 participants repres
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