Gallagher, Vincent P. New directions in roadway lighting / Vincent P. Gallagher - Washigton : U.S. G.P.O., 1980 - 30 p. : ill. ; 22 cm. - Technology sharing report FHWA-TS-80-223 . Subjects--Topical Terms: Transportation engineeringHighway transportation Dewey Class. No.: 338.31