The purpose of the diagrammatic signing research project was to develop warrants and standards for the use of diagrammatic guide signs on controlled access highways. Volume 1 summarizes the entire diagrammatic signing research program objectives sponsored by the Federal Highway Administration. It presents the recommended warrants, standards and gui
...
Research findings obtained under the project indicate that drivers require more time to read and interpret information on diagrammatic signs in comparison with conventional signs. Moreover, as the graphic component on the sign becomes more complex, driver information interpretation time increases. Accordingly, in those cases where diagrammatic sign
...
The purpose of the diagrammatic signing research project was to develop warrants and standards for the use of diagrammatic guide signs on controlled access highways. Volume III of this report is published in 4 bound books-1 book for each of its 3 parts, plus 1 book containing appendixes to part 2. Part 2 contains the detailed description of a large
...
Research findings obtained under the project indicate that drivers require more time to read and interpret information on diagrammatic signs in comparison with conventional signs. Moreover, as the graphic component on the sign becomes more complex, driver information interpretation time increases. Accordingly, in those cases where diagrammatic sign
...
A National Program To Standardize Skid Resistance Measurements; Overtaking and Passing Vehicle Accidents; Speed Analysis of Accidents on Interstate Highways; Implementation of Improved Culvert Inlet Concepts; Fatal Accidents on the Interstate System, 1968-71; Time-Lapse Television: A Highway Engineering Tool
This volume of tables of hydraulic factors for conduits of uniform cross section is intended to facilitate the hydraulic computations essential to engineering design. Conduits of the types included are commonly used for conveyance of storm water flow or for more constant flow conditions as are encountered in irrigation systems or supply of water fo
...
Traffic Surveillance and Control in an Urban Test Facility; Minimizing the Hazard of Restricted Visibility in Fog; Environment Quality Assurance Through Demonstration Projects; Accident Experienced on Speed-Change Lanes of the Interstate Highway System
United States. Department of Transportation. Federal Highway Administration
1972-07-01
|
PDF
This Guide has been prepared for use by the States in recording and coding the data elements that will form a bridge inventory data base. The data requested to be collected may appear to exceed that which is required to normally inventory the bridges on the Federal-aid system; however, recent legislation and anticipated Congressional inquiries rend
...
1972-07-01
|
Nationwide Personal Transportation Survey (NPTS)
|
PDF
This report presents data on the availability of public transportation to the main business district of the central city for households located in Standard Metropolitan Statistical Areas (SMSA’S) and information on shopping characteristics of SMSA residents. These data were collected in the Nationwide Personal Transportation Study, conducted by the
...
1972-07-01
|
Nationwide Personal Transportation Survey (NPTS)
|
PDF
The report presents data on travel patterns to school of students between 5 and 18 years of age in kindergarten through grade 12. For each grade level, home-to-school travel by various modes of transportation including school bus, public transportation, automobile, and bicycle as well as walking is analyzed in terms of distance to school (miles) an
...
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.