The latest revision to this classic document is now available from the ITE Bookstore. It includes 19 new land use categories, and over 750 new studies. It is now published in 3 volumes and is available as IR-016D for $180 to ITE Members or $205 for nonmembers (note, 1998 prices may be higher for nonmembers).

A related document, "Trip Generation Toolbox" is being prepared to provide insight into applying the data. This is scheduled for release during the first half of 1998.