A collection of 26 articles published over the past 20 years concerning pollution, the effects of traffic on the environment, and the development of controls both a regional and national level. They cover air and noise pollution, methods for the economic evaluation of pollution, transport demand and traffic congestion, the interaction between transport and land use, the effects of rail, methods and estimates of external effects, clean fuel, electric vehicles, telecommunication, intelligent transport systems, and automotive emissions and fuel taxes and road-user charges in less developed countries. The papers are reproduced from their original publication.