A travel plan should be submitted alongside planning applications which are likely to have significant transport implications, as advised by Planning Policy Guidance Note 13: Transport (DETR, 2001), paragraphs 87-91.
Further advice is available in Using the planning process to secure travel Plans: Best practice guide ODPM and DfT, 2002 (forthcoming revised guidance), also Making residential travel plans work: Good practice guidelines for new development: DfT and A guide to development related travel plan (Addison & Associates).
