Determination of the operational performance requirements for a roadside accident countermeasure warrant system. Volume II - technical documentation. Final report.

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

Operational and safety effects of driving on paved shoulders in Texas. Final report.

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

Determinants of effective unit performance : research on measuring and managing unit training readiness /

Mode of access: Internet.