Which technology for urban public transport

The merits of alternative urban and inter-urban public transport systems have been the subject of some debate, particularly since the publication of the UK's 1998 transport policy White Paper A New Deal for Transport. This current paper aims to assess some of the conflicting empirical evidence in the UK and abroad in order to allow an objective assessment of the policy implications. Section 2 presents an overview of technical and financial characteristics of mainly urban public transport systems, including capital and operating costs of recent light rail, guided bus, bus priority and suburban rail systems. Section 3 explores the evidence on the wider costs and benefits of systems in the UK, including wider environmental and socio-economic impacts. Although more expensive to build (under similar conditions), light rail systems often carry more passengers than ‘intermediate’ bus-based systems such as guided bus and segregated busways. There is not much between public transport systems on the basis of operat...