Development work has been continuing in 2022 on Main Roads WA’s exciting Tonkin Highway Extension Project. Here at Whitby Town, we’re looking forward to seeing the planning continue to progress and connect our community to nearby urban hubs. Main Roads have advsied that delivery timings are currently being developed in partnership with industry. When updates are announced, we’ll update our news platform for our residents and locals to stay in-the-know.
The scope of works includes:
- 14km extension of Tonkin Highway from Thomas Road to South Western Highway as a four-lane dual carriageway
- Underpass at Abernethy Road (road, pedestrian, cyclist, equine)
- Roundabouts at Orton Road, Mundijong Road and South Western Highway
- Underpass at Gossage Road (equine)
- Interchange at Bishop Road and Tonkin Highway (grade separation)
- Bridge over Wright Road and rail line
- Underpass at Shanley Road (road, other mode types under investigation)
- Principal Shared Path (PSP) running the full length of the Tonkin Highway project on the eastern side with connections to local path networks
- Also being considered but currently under investigation:
- Upgrade to the Abernethy Road and Hopkinson Road intersection
- Upgrade to the Tonkin Highway, South Western Highway, Jarrahdale Road and Shanley Road intersection
Funding was recently allocated for the Thomas Road Upgrade project, which includes:
- Thomas Road duplication from Tonkin Highway to South Western Highway
- Interchange at Thomas Road and Tonkin Highway (grade separation). View the Thomas Road Upgrade page for more information.