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A1 northbound carriageway closure between A421 and A428, 18 Sep 2026

Cleared

This roadworks closure on the A1 has cleared. It started at 20:50 on Fri 18 Sep and cleared at 20:50 on Sun 20 Sep.

Last updated by National Highways at 13:20 on Sunday 27 September 2026.

Closure details and map

Status
Cleared
Closure type
Carriageway closure
Category
Construction Work
Road
A1
Direction
Northbound
Location
A1 northbound between A421 and A428
Started
20:50 on Friday 18 September 2026
Cleared
20:50 on Sunday 20 September 2026
Details
A1 northbound Black Cat Roundabout to Wyboston carriageway closure
Source
National Highways
Last updated by the source
13:20 on Sunday 27 September 2026

Map of the A1 northbound carriageway closure between A421 and A428

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  • Cleared

Other A1 closures and crash records

21 other closures are in force on the A1 right now, and 121 more are planned in the next 7 days.

The A1 accident statistics from 1979 to 2025 record 49,565 collisions on the road, 1,435 of them fatal.

All A1 closures