The informational load of highway guide signs. Final report.

Mode of access: Internet.

Feasibility of changeable message signs and highway advisory radio for freeway maintenance. Final report.

Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin

The legibility of highway guide signs with special reference to cardinal direction indications. Final report.

Mode of access: Internet.

Comparison of signs and markings for passing/no-passing zones. Executive summary.

Federal Highway Administration, Office of Research, Washington, D.C.

Comparison of signs and markings for passing/no-passing zones. Final report.

Federal Highway Administration, Office of Research, Washington, D.C.

Evaluation of Adirondack Park highway signs. Final report.

Federal Highway Administration, Washington, D.C.

Effectiveness of speed control signs in rural school zones and small communities. Final report.

Federal Highway Administration, Office of Research, Washington, D.C.

Symbol signs 2. The development of passenger/pedestrian oriented symbols for use in transportation-related facilities. Final report.

Transportation Department, Research and Special Programs Administration, Washington, D.C.

Evaluation of retroreflective sheetings for use on roadway traffic signs. Final report.

Oklahoma Department of Transportation, Oklahoma City

Highway signs: conversion to metric units could be costly.

Mode of access: Internet.

Effectiveness of changeable message signs in controlling vehicle speeds in work zones. Final report.

Virginia Department of Transportation, Richmond

Relative visibility of increased legend size vs. brighter materials for traffic signs. Final report.

Federal Highway Administration, Office of Safety and Traffic Operations Research and Development, McLean, Va.