Road drainage manual

The Department of Transport and Main Roads Road Drainage Manual has been withdrawn and replaced with new supplements to Road Planning and Design Manual - 2nd Edition, Volume 3: Guide to Road Design. See new supplements Part 5: Drainage - General and Hydrology Considerations, Part 5A: Drainage - Road Surface, Networks, Basins and Subsurface, and Part 5B: Drainage - Open Channels, Culverts and Floodway Crossings on Road Planning and Design Manual - 2nd edition.