Manual of regulations for official traffic signs, signals and markings.

"Revises and supersedes the Manual of regulations published in 1943."

Service life of retroreflective traffic signs /

"October 1991."

Visibility and comprehension of pedestrian traffic signals /

"May 1997."

Evaluation of traffic operations, safety, and positive guidance projects /

"Report no. FHWA-TO-80-1."

Criteria for removing traffic signals, technical report /

Mode of access: Internet.

Manual on uniform traffic control devices for streets and highways.

Updated by continuing supplements and cumulated irregularly.

National practices for the operation and protection of school zones and crossings; an informational report by Committee on Traffic, Subcommittee on Traffic Control Devices in cooperation with Colorado Department of Highways.

Cover title.

Accident analysis - breakaway and nonbreakaway poles including sign and light standards along highways.

National Highway Traffic Safety Administration, Washington, D.C.

Accident analysis - breakaway and nonbreakaway poles including sign and light standards along highways.

National Highway Traffic Safety Administration, Washington, D.C.

Traffic operations control for older drivers /

"FHWA-RD-94-119."

Evaluation of sign and marking alternatives for displaced left-turn lane intersections.

Also available on the Internet

Signing and delineation for special usage lanes.

Authors: Richard F. Pain et al.

A Comparison of methods for evaluating network traffic control systems /

Mode of access: Internet.

Evaluation of accident prediction and hazard index formulas for railroad highway crossings : final report /

"Final report July 1998 through July 2000"--Technical report documentation page.

Fatigue of tube-to-plate fillet welds and methods for their improvement /

"July 1997."