Fatal and personal injury accident data by highway system for the calendar year 1967, compiled from reports submitted by the 50 States and the District of Columbia on Table TA-1, are summarized in the tables which follow.
Fatal and personal injury accident data by highway system for the calendar year 1968, compiled from reports submitted by the 50 States and the District of- Columbia on Table TA-1, are summarized in the tables which follow. Data for all free and toll roads are included.
Estimation of annual average daily traffic (ADT) on sections of a state highway network has long been an important phase of the highway planning process. ADT estimates have been used as a fundamental element in determining vehicle-miles of travel on the various categories of rural and urban highway systems. ADT estimates, together with other import
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Braking Performance of Motor Vehicles; Relations of Gross Weights and Horsepowers of Commercial Vehicles; Offtracking Calculations for Trailer Combinations
The factors to consider in open-channel flow and stability, together with graphical methods for designing conservation channels, are presented in this handbook, The purpose is to furnish technicians of the Soil Conservation Service with the most recent and complete information to aid them in the design of channels to be lined with vegetation. Compl
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It is not altogether proper that one person present this discussion of nationwide travel. Actually, it is a complex project-expensive in dollars and in talented and dedicated manpower both within Public Roads and throughout the Nation. It rests on a firm foundation of factual information provided by you over a period of several years. It is supplem
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Properties of Highway Asphalts—Part III, Influence of Chemical Composition; A Study of Viscosity-Graded Asphalt Cement; A Comparative Evaluation of Trip Distribution Procedures
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