Perth → Inverness
A9 dualling
Counting from
6 December 2011
The clock starts with the Scottish Government’s Infrastructure Investment Plan of 6 December 2011, which committed to dual the A9 between Perth and Inverness by 2025. It measures time since that commitment, including planning, completed sections and ongoing construction.
Partly built · completion due 2035
As of 19 October 2026, Kincraig to Dalraddy and Luncarty to Pass of Birnam are open. Construction is underway on Tomatin to Moy and Tay Crossing to Ballinluig. The target for full dualling is the end of 2035, ten years after the original deadline.
Still waiting forA continuous dual carriageway between Perth and Inverness.
Milestones
- 6 December 2011
Dualling promised by 2025
The Infrastructure Investment Plan commits to completing dualling between Perth and Inverness by 2025. This is where the clock starts. Source: Scottish Parliament
- 8 February 2023
The original deadline is dropped
The transport minister confirms to Parliament that completion by 2025 is no longer achievable. Source: Scottish Parliament
- 20 December 2023
Completion moves to 2035
A revised delivery plan sets a target to finish the full programme by the end of 2035. Source: Transport Scotland
- 14 January 2026
A revised delivery plan
The remaining sections will use capital funding. The plan retains the end-of-2035 completion target. Source: Transport Scotland
- 4 February 2026
Construction continues on two sections
Transport Scotland reports 11 miles of construction underway across Tomatin to Moy and Tay Crossing to Ballinluig. Source: Transport Scotland
- 15 September 2026
Tenders invited for the remaining programme
Transport Scotland invites bids for the framework that will procure the remaining sections, with full completion still targeted for 2035. Source: Transport Scotland