A40 crash Western Avenue eastbound

Cleared Cleared at 15:26 on 23 Sept 2026, after 3 h 32 min.

Crash on the A40 eastbound at Western Avenue on Wednesday 23 September 2026, from 11:55. Cleared at 15:26 after 3 h 32 min. Timeline of reports from TfL.

1. !

   A40 eastbound · Western Avenue

   Collision

   1 of 3 lanes closed · Wed 11:55–Wed 15:26 (cleared after 3 h 32 min)

   TfL

See the A40 on the live map A40 traffic now

Timeline

1. Wed 11:55 TfL: collision, 1 of 3 lanes closed
2. Wed 15:26 TfL no longer reports it
3. Wed 15:26 All clear: no source reports it any more

What the sources said

• [A40] Western Avenue (Eastbound) rAF Northolt - Lane one (of three) is blocked due to a collision. Approach with caution.

Other recent incidents on the A40

• A40 crash westbound · 14:38, cleared after 39 min
• A40 reported crash westbound · yesterday 07:19, cleared after 51 min
• A40 closed Bee's Lane → Kilham Lane · Wed 20:58, cleared after 58 min
• A40 closed J1 · Tue 21:56, cleared after 7 h 29 min

About this page

This page shows what the data sources reported about this event and when, merged from every source that reported it at the same place. It doesn't say what caused it or whether anyone was hurt: no source reports that. Times are UK time. For live alerts, follow @motorways.me on Bluesky.