This manual presents an overview, user instructions and technical backup for the computer program PIPECAR. PIPECAR is a program for the structural analysis and design of circular and horizontal reinforced concrete pipe. It has been written to run on IBM or IBM compatible microcomputers. Th input routines are user friendly; only minimal experience w
...
This Manual presents an overview, user instructions and technical backup for the computer program BOXCAR. BOXCAR is a program for the structural analysis and design of reinforced concrete box sections. It has been written to run on IBM or IBM compatible microcomputers. The input routines are user friendly; only minimal experience with computers is
...
Los Angelization, the movement of people, jobs, residences and other activities away from the CBD, is being replicated across the nation. This modern phenomenon is diminishing the importance of traditional downtown and resulting in commuting economies and shrinking markets for conventional transit. This is a case study of the travel trends in the L
...
This report describes a study of motorist compliance with standard traffic controldevices. The research included a comprehensive review of past studies, contactswith traffic, law enforcement, and department of motor vehicles personnel, and ana?sessment of the viability of other information sources for identifying andquantifying motorist noncomplian
...
The objective of this report is to provide guidance to highway agency officials on the use of available analysis tools to evaluate the travel impacts of major highway reconstruction projects. A process for travel impact evaluation is outlined. Guidelines on the selection of appropriate analysis tools are presented. Specific recommendations are made
...
Pedestrian safety and accessibility has long been a concern to Federal,State, and local agencies. The result has been a wide diversity of publishedreports, recommended practices and changes in accessibility standards forthe planning, design and maintenance of pedestrian facilities. Much of thisinformation is out of date, too technical or detailed a
...
An extensive series of measurements was made of the performance of a particular model of an inertial road profiling system (IRPS), including evaluation of the noncontact height sensors, the accelerometers used to establish the inertial reference frame, the distance encoder, the associated instrumentation, and the software used to convert the raw da
...
A separate report, FHWA-RD-89-077, Calibration of Road Roughness Measuring Equipment, Volume I: Experimental Investigation, documents an extensive series of measurements of the performance of a commercial inertial road profiling system (IRPS) and a commercial response-type road roughness measurement (RTRRM) system. Based upon the results of these m
...
Evaluation of a Weigh-In-Motion Device at the Pavement Testing Facility; Rollover Potential of Vehicles on Embankments, Sideslopes, and Other Roadside Features; Loglinear Models in Traffic Studies; Mower-Thrown Object Accidents
The report describes the results of recent research conducted by the Federal Highway Administration (FHWA) on occupant injury due to single vehicle side impacts into roadside objects. Injuries and fatalities due to side impacts on our nation's highways are discussed, followed by a review of historic testing conducted by FHWA. Results from current r
...
This manual provides basic background information and step-by-step procedures for conducting traffic conflict surveys at signalized and unsignalized intersections. The manual was prepared as a training aid and reference source for persons who are assigned the responsibility of conducting traffic conflict observations at intersections. Based on prev
...
The objectives of this study are to: (2) identify the root causes of rollover of vehicles in impacts with concrete safety shaped barriers, (2) determine 'the extent and severity of overturn co 11 is ions with concrete safety shaped barriers, and ( 3) identify potential countermeasures to reduce shaped concrete barrier rollovers. The study approach
...
United States. Department of Transportation. Federal Highway Administration
1989-01-01
|
PDF
The purpose of this booklet is to acquaint the international reader with the U.S. road system, the U.S. road transportation community, and the Federal Highway Administration's (FHWA's) International Highway Programs Office. The first sections describe the historical development of the road system and its social and economic effects. Later sections
...
This revised version of Hydraulic Engineering Circular No. 11 (HEC-11), represents major revisions to the earlier (1967) edition of HEC-11. Recent research findings and revised design procedures have been incorporated. The manual has been expanded into a comprehensive design publication. The revised manual includes discussions on recognizing erosio
...
Links with this icon indicate that you are leaving a Bureau of Transportation
Statistics (BTS)/National Transportation Library (NTL)
Web-based service.
Thank you for visiting.
You are about to access a non-government link outside of
the U.S. Department of Transportation's National
Transportation Library.
Please note: While links to Web sites outside of DOT are
offered for your convenience, when you exit DOT Web sites,
Federal privacy policy and Section 508 of the Rehabilitation
Act (accessibility requirements) no longer apply. In
addition, DOT does not attest to the accuracy, relevance,
timeliness or completeness of information provided by linked
sites. Linking to a Web site does not constitute an
endorsement by DOT of the sponsors of the site or the
products presented on the site. For more information, please
view DOT's Web site linking policy.
To get back to the page you were previously viewing, click
your Cancel button.