Since the original publication of the 'Guide to traffic generating developments' there have been numerous changes to retail trading including trading hours, store sizes and the range of goods offered in individual stores. In the last ten years the number of large hardware houses has increased significantly in Australia. Shoppers' circumstances have changed as well, with improved access to private vehicles and higher disposable incomes. This study includes new surveys which record not only traffic characteristics relating to vehicle and person trips but also includes interview surveys with visitors to determine postcode origins and travel mode.