Commonwealth Department of Transport and Regional ServicesNew South Wales Roads and Traffic Authority - State government authority that builds major roads, promotes road safety, manages traffic, regulates vehicles and licenses drivers.

Northern Territory Department of Transport and Works - State licencing and roads authority for the Northern Territory.

Queensland Department of Main Roads - Manages the Queensland state road network. Includes information on the Pacific Motorway, Brisbane's toll roads, and its traffic management system.

VicRoads - Victoria's highway department.

Western Australia Transport - Details the transport system, regulations, and safety guidelines.

Queensland Transport - Details public transportation, safety regulations, and policies for providers.

Transport Tasmania - Covering transport information and services around Tasmania.

Transport South Australia - Roads and licencing authority for South Australia. Includes information on the Southern Expressway extension and the Port River Expressway.

Western Australia Main Roads - Information on projects, heavy vehicle guidelines, safety standards, and contracts.

Brad's Australian Highways Page - Photos, route numbering, and Sydney freeways.

Yahoo! Groups: aussiehwys - Mailing list for those interested in Australian roads and highways, and associated infrastructure - e.g., signage, line marking, pavements, freeways, route numbering.

RoadSide.au - Information and news on Australian roads. Includes a few exit lists.

Wide World of Roads and Highways - Photos of Australia, Japan and Texas.