(1974). Highway planning: Proceedings of the seminar on Highway Planning held during the PTRC Summer Annual Meeting, 8-12 July 1974, at the University of Warwick, England. London: Planning and Transport Research and Computation.

Highway Planning: Proceedings of the Seminar On Highway Planning Held During the PTRC Summer Annual Meeting, 8-12 July 1974, At the University of Warwick, England. London: Planning and Transport Research and Computation, 1974.

Highway Planning: Proceedings of the Seminar On Highway Planning Held During the PTRC Summer Annual Meeting, 8-12 July 1974, At the University of Warwick, England. London: Planning and Transport Research and Computation, 1974.