TY - GEN AU - Robertson,H.Douglas ED - U. S. Govt. Printing Office, TI - Urban intersection improvements for pedestrian safety. U1 - 711.74 23 PY - 1977/// CY - [Washington, DC] PB - U.S. Gov. Print. Off. KW - Pedestrian facilities design KW - Traffic safety N1 - Library has vol. 4; v.4.-. Pedestrian signal displays and operation.-.1v.(various pagings) ER -