A406 Delay Severity: Moderate
Road Affected: A406Description of incident: A40 Western Avenue Westbound at the junction of A406 A 406 – The road is closed due to a collision.
Type of incident: Collisions | Vehicle collision
Current Update: Traffic is slow on the A40 with tailback reported back towards Gypsy Corner. Use an alternative route.
Start date: Thu 27th Aug 2026, 6:25AM UTC
End date if applicable: Thu 27th Aug 2026, 11:59PM UTC
Incident updated: Thu 27th Aug 2026, 9:01AM UTC
A406 Traffic Map
The latitude and longitude location given for this incident is as follows:
Lat / Long 51.529793 / -0.293397
Traffic delay information supplied by Transport for London, for further details please see here: TfL incident details.
All London traffic incidents: TfL Traffic ReportsThe latest traffic reports, roadworks and travel news for the A406 road. Our travel news is as up to date as possible but please do always check with local news sources and always allow plenty of time for your journey.
UK Traffic Delays is a reliable source of updated travel information, obtained under licence from official data providers. London travel information is used under license from TfL: Powered by TfL Open Data. Our website contains public sector travel information licensed under the: Open Government Licence v3.0.
