State and provincial licensing systems: comparative data.

Mode of access: Internet.Author corporate affiliation: National Highway Traffic Safety Administration, Washington, D.C.Subject code: EJDSubject code: FGDSubject code: FICDSubject code: FICWSubject code: QGISubject code: RCGC*EOSubject code: RCGC*EOXSubject code: RCGCBSubject code: RCGC