United States. Department of Transportation. Federal Highway Administration. Bureau of Public Roads
1969-06-01
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PDF
This update shows trends of travel on main rural roads, annual vehicle miles, percentage increase in travel compared to 1957 levels, and a summary of road classes.
United States. Department of Transportation. Federal Highway Administration. Office of Research and Development
1969-05-01
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PDF
This program is used for the hydraulic analysis of pipe-arch culverts. The program selects, from a table of pipe-arch culverts, the culverts which satisfy the hydrologic data and site conditions for inlet control and outlet control. The output includes: number of pipes, span, rise, headwater, and outlet velocities. Outlet control calculations make
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United States. Department of Transportation. Federal Highway Administration. Office of Research and Development
1969-05-01
|
PDF
This program is used for the hydraulic analysis of pipe-arch culverts. The program selects, from a table of pipe-arch culverts, the cuvlerts which satisfy the hydrologic data and site conditions for inlet control and outlet control. The output includes: number of pipes, span, rise, headwater, and outlet velocities. Outlet control calculations make
...
Comparison of Day and Night Gap-Acceptance Probabilities; Quality Assurance in Highway Construction: Part 2—Quality Assurance of Embankments and Base Courses
Quality Assurance in Highway Construction: part I—Introduction and Concepts; Comparison of the Performance and Economy of Hot-Extruded Thermoplastic Highway Striping Materials and Convention Paint Striping; New Publications
HY-4 provides documentation for a mainframe computer program that calculates the backwater created by a bridge constriction on the basis of a single-cross section. The computer program is based on the design procedures and equations published in HDS No. 1, Hydraulics of Bridge Waterways. This program was developed for the IBM 360 Computer using the
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A design and experimental study of traffic control devices, carried out by a multidisciplinary team of psychologists, engineers and graphic designers is described. The work encompasses an appreciation of the background and operation of uniform traffic control devices, an extensive series of laboratory investigations, road tests, and a substantive g
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Intermodal Freight transportation Transportation in the United States; Highways and Rail Piggybacking; Analytic Aerial Triangulation for Highways—A Comparison of Two Methods; New Publications
Criteria for Highway Tunnel Lighting Design; Ultrasonic Instrument for Determining Local Scour at Bridge Piers; Driver’s Decisions in Overtaking and Passing; Highway Maintenance Management Research—An Overview
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