A66 Northern Trans-Pennine Project

Infrastructure and Construction

Record date: 31 March 2026

Whole-life cost: Not disclosed
Published schedule: 05/07/2017 – 01/11/2026
NISTA delivery confidence: Not disclosed
Senior responsible owner: Tim Gamon

What the project is for

Upgrading the remaining six single carriageway sections of the A66 between the A1(M) at Scotch Corner and the M6 at Penrith, creating a continuous dual carriageway across the Pennines, including key junction upgrades

Departmental delivery commentary

Compared to financial year 24/25 Q4, the NISTA/SRO Delivery Confidence Assessment (DCA) rating at 25/26 Q4 remained at Amber.

Schedule

Exempt under Section 22 - Information intended for future publication

Cost

Exempt under Section 43 - Commercial interests

Benefits

Compared to financial year 24/25-Q4, the project's departmentally agreed Benefits at 25/26-Q4 remained unchanged. Please note that a known technical issue within NISTA means the benefits reported here differ from those submitted to NISTA.