- Cars and Taxis account for the majority of road traffic. (But not necessarily fuel consumption. Freight and commercial transport typically consume more fuel per kilometre. They also have greater impacts on air quality, accidents and infrastructure wear and tear. Annual vehicle kilometres of this category is represented by the delta between the two curves).
- Motor vehicles travelled 490 billion km in 2003 in Britain
- There were 31.2 million licensed vehicles in Britain in 2004 (up from 9 million in 1962)
- But the overall road length in Britain has only increased by a quarter in the last 40 years, to 392,000km
- Similar information for the US is available from the Department of Transportation, and globally from the World Business Council for Sustainable Development.
SOURCE: National Statistics Online