£1.94bn A9 dualling framework: geotechnical and phasing notes for engineers
Reviewed by Joe Ashwell
First reported on New Civil Engineer
30 Second Briefing
Transport Scotland has advanced to the final procurement stage on its £1.94bn multi‑lot framework to dual the remaining sections of the A9 between Perth and Inverness, issuing a shortlist of major contractors for the programme. The framework will cover design and construction of the outstanding single‑carriageway stretches to continuous dual two‑lane standard, including earthworks, structures and junction upgrades along the roughly 80km corridor. Geotechnical risk, rock cut stability and drainage design in constrained Highland terrain will be central bid differentiators as teams refine construction phasing and traffic management proposals.
Technical Brief
- Transport Scotland has formally advanced to the final competitive stage of the framework tender.
Our Take
The two earlier 2026 notices in our database for Transport Scotland’s A9 programme show the same multi‑lot structure and value, signalling that this shortlist stage is the planned progression rather than a scope change or budget uplift.
Within our 911‑item Infrastructure corpus, very few UK road schemes approach the A9 framework’s scale, which is likely to concentrate Tier 1 contractor bidding capacity and could crowd out participation in smaller Scottish highways packages over the same period.
For practitioners, the multi‑lot framework model adopted by Transport Scotland on the A9 contrasts with the more asset‑specific bridge and retrofit initiatives frequently covered via New Civil Engineer, indicating a deliberate push towards long‑horizon, programme‑style procurement for strategic roads in Scotland.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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