Commercial motor vehicle driver fatigue, alertness, and countermeasures survey.

Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliation: Decision Research, Santa Barbara, Calif.Author corporate affiliation: Essex Corporation, Goleta, Calif.Subject code: DEFGBSubject code: EOPTSubject code: ICSubject code: PECSubject code: PECDSubject code: RCGKSubject code: WT