Statistical models of accidents on interchange ramps and speed-change lanes.

Federal Highway Administration, Office of Safety and Traffic Operations, Washington, D.C.

An evaluation of the 1979 Texas law (V.C.S., Sec. 73.A.) which requires frontage road traffic to yield at freeway ramps. Interim report.

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

Improving the traffic operations and safety of ramps and speed change lanes - a review of state design practices. Interim report.

Federal Highway Administration, Environmental Division, Washington, D.C.

Development of warrants for the use and location of truck escape ramps. Volume II - appendices.

West Virginia Department of Highways, Charleston

An evaluation of detectable warning surfaces for sidewalk curb ramps. Final report.

Virginia Department of Transportation, Richmond

Development of warrants for the use and location of truck escape ramps. Volume I - final report.

West Virginia Department of Highways, Charleston

Emergency escape ramps for runaway heavy vehicles (EERRHV). Final report.

Federal Highway Administration, Washington, D.C.

Evaluation of freeway high occupancy vehicle lanes and ramp metering. Volume I. Final report.

Transportation Department, Office of the Assistant Secretary for Policy and International Affairs, Washington, D.C.

Evaluation of freeway high occupancy vehicle lanes and ramp metering. Volume II: bibliography and abstracts.

Transportation Department, Office of the Assistant Secretary for Policy and International Affairs, Washington, D.C.

Advanced freeway system ramp metering strategies for Texas.

Texas Department of Transportation, Austin

Ramp Adaptive Metering Bottleneck Optimization (RAMBO) user's manual.

Texas Department of Transportation, Austin

Distance requirements for ramp metering.

Texas Department of Transportation, Austin

Improved communication of a left exit lane drop using pavement markings.

Texas Department of Transportation, Austin

Case studies and annotated bibliography of truck accident countermeasures on urban freeways. Final report.

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

Freeway exit lane drops in Texas. Final report.

Texas Department of Transportation, Austin