Progress in roadside protection : report of Committee on Land Acquisition and Control of Highway Access and Adjacent Areas and special papers; presented at the twenty-ninth annual meeting
Annual meeting. Highway Research Board ; 29 ; 1949 ; Washington, DC Annual meeting. Highway Research Board ; 29 (Washington, DC) : 1949.
1951
IV, 50 S.
graph. Darst., Kt.
Conference Proceedings
English