They involve a list of minimum requirements, such as surveys and the presentation of information, to inform individuals of the available transport alternatives, rather than relying on the single occupancy car. However there may be times when there is not an alternative form of transport to the car. For tips on car efficiency please look at A Drivers Guide: On the move with the Earth in mind.

Nowadays, many travel plans are a compulsory measure if a new development impacts on the local highway network. Many residential developments for example, ensure the provision of a local estate bus service to ensure residents are made aware of alternative means. Many developments also incorporate cycle lanes, parking facilities and pedestrian access to encourage a modal shift to and from places of work, retail and leisure destinations.

Travel Plans are now a compulsory measure for the development of retail, residential and retail sites.