Mak, King K. NCHRP Report 492 Roadside Safety Analysis Program (RSAP) - Engineer's Manual / King K. Mak - Washington : Transportation Research Board, 2003 - 66p. : ill. ; 30 cm ISBN: 0309068126 ISSN: 00775614 Subjects--Topical Terms: Roadside Safety Dewey Class. No.: 363.125 MAK