TY - GEN TI - Primary route network : proceedings .. SN - 0-7277-0356-0 PY - 1986/// CY - London PB - Thomas Telford KW - ROADS AND STREETS-CONSTRUCTION KW - ROADS AND STREETS-MAINTENANCE N1 - Primary route network : proceedings of the conference `Further developments for a primary route network', organized by the Inst. of Civil Engineers and held in London on 4-5 March 1986 ER -