Effectiveness of freeway lighting : final report / K. Gramza, J. A. Hall, W. Sampson ; Mark Battle Associates, Inc. ; prepared for Federal Highway Administration, Offices of Research & Development, Traffic Systems Division. (Report - Federal Highway Administration ; no. FHWA-RD-79-77)
Effectiveness of freeway lighting : final report / K. Gramza, J. A. Hall, W. Sampson ; Mark Battle Associates, Inc. ; prepared for Federal Highway Administration, Offices of Research & Development, Traffic Systems Division.
(Report - Federal Highway Administration ; no. FHWA-RD-79-77)