The paper argues that congestion in public transportation is alike the much more studied road congestion. It sets out to produce, on the case of the Paris subway, a congestion cost curve linking the willingness to pay for non-congested travel to actual congestion levels. Congestion costs appear...

Pre-charge and post-charge data (particularly on speed and road usage) in the London congestion charge zone is used to estimate demand and cost curves for road usage. Pre-charge congestion costs are estimated, and shown to be small (0.1% of the area GDP). They are largely (90%) eliminated by the...

In Paris, an old bus line on the Maréchaux Boulevards has been replaced by a modern tramway. Simultaneously, the road-space has been narrowed by about a third. A survey of 1000 users of the tramway shows that the tramway hardly generated any shift from private cars towards public transit mode....