Light signs of use, staple holes & ink tick on front cover, some tanning to page edges, else a clean, tight copy. 240x165mm. Contents include: Economy of scale in transportation; Skytrains: competitive pricing, quality of service & the deregulation of the airline industry; External structure of variables in individual choice models of travel demand; On the adequacy of evaluation techniques for rural roads in developing countries; Demand for domestic air travel in Australia by 1985.