Vehicles-in-use sub-limit maneuvers. Volume III: effects of vehicle-in-use spring sag on vehicle handling and braking. Final report.

National Highway Traffic Safety Administration, Vehicle Engineering Research Division, Washington, D.C.

Experimental evaluation of a portable energy absorbing system for highway service vehicles. Final report for phase I.

Connecticut Department of Transportation, Bureau of Planning and Research, Wethersfield

Analysis of on-road failure data. Final report.

National Highway Traffic Safety Administration, Crash Avoidance Division, Washington, D.C.

Non-CDL vehicles /

"This book has been designed for operators of large vehicles that do not require a Commercial Driver's License (CDL). Operators of recreational vehicles, firefighting equipment, military vehicles, and certain farm vehicles are not subject to the requirements of the CDL program."