A1 Haddington - Dunbar
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Scheme Outline
Realignment of the existing single-carriageway A1 onto a new-build dual carriageway, built to near motorway standard with two traffic lanes plus hard shoulder in each direction. The new route will run slightly to the south of the current alignment, from the terminus of the existing dual carriageway at Haddington to the roundabout at the start of the Dunbar bypass. A recent study reccommended that two intermediate junctions should not be constructed: the plan, now accepted, will have no junctions except at its two terminii.
Timeline
- 1990
- Realigned dual carriageway A1 from Edinburgh to Tranent opened, along with a section of new single-carriageway from the A198 at Tranent to the A199.
- 2000
- Realigned A1 section from A199 to east of Haddington is opened. Single carriageway section between A198 and A199 upgraded to dual carriageway. Next section to Dunbar is proposed.
- 2002
- Scottish Executive approves construction of the project.
Project Statistics
- Cost
- £32m
- Finance
- Scottish Executive/DBFO
- Estimated completion of works
- March 2004
- Length of new road
- 8.5 miles
Progress
- Spring 2003
- Grading work underway and old road is being realigned. Dunbar bypass dualling is now complete.
- Spring 2004
- Haddington - Dunbar section is now completed and opened.
With thanks to Hamish Scott and Nick Allan for information on this page.

