Investigation of the impact of medians on road users. Final report.

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

The railroad problem, a suggestion; a proposed plan for an undivided administration of the railroads; for promoting competition in railroad service; and for stimulating local initiative in railroad development,

Prelimanary edition. "Complete and revised edition of this treatise to be published early in 1920 by G.P. Putnam's sons, New York & London."

Over-embankment accidents on rural 2-lane conventional highways.

Mode of access: Internet.

Identification, quantification and structuring of two-lane rural highway safety problems and solutions. Volume I - technical report. Final report.

Federal Highway Administration, Washington, D.C.

Further investigation of traffic operations on two-lane, two-way rural highways. Research summary. Final report.

Federal Highway Administration, Washington, D.C.

Alternative sign sequences for work zones on rural highways. Executive summary. Final report.

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

A decision-making framework for the evaluation of climbing lanes on two-lane two-way rural roads: research summary. Final report.

Federal Highway Administration, Washington, D.C.

Review of channelizing devices for two-lane two-way operations. Interim report.

Federal Highway Administration, Office of Research, Development and Technology, Washington, D.C.

Performance criteria for channelizing devices used for two-lane two-way operations. Final report.

Federal Highway Administration, Office of Research, Development and Technology, Washington, D.C.

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

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

Implementation guidelines for actuated controllers in coordinated systems. Final report.

Texas Department of Transportation, Austin

Advanced technologies for improving large-truck safety on two-lane secondary roads. Final report.

Virginia Department of Transportation, Richmond

Factors affecting traffic operations on seven-lane cross sections. Final report.

Texas Department of Transportation, Austin

Field evaluation of selected delineation treatments on two-lane rural highways. Executive summary.

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

Optimal application and placement of roadside reflective devices for curves on two-lane rural highways. Final report.

Ohio Department of Transportation, Columbus