A405 Traffic

Traffic and travel conditions for the A405 05:18am

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FULL SCREEN UPDATED: 05:18
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Traffic incidents

The following traffic incidents and congestion for A405 have been reported by Highways England, Traffic Scotland, Traffic Wales or Transport for London (TfL) in the last two hours:

CONGESTION
Location: The A405 northbound at the junction with the M1 .
Reason: Congestion.
Status: Currently Active.
Return to normal: Normal traffic conditions are expected between 02:45 and 03:00 on 5 Dec 2025.
Nearest town: 2.83m from Watford. CLEARED @ 02:42


There are no current incidents in this location.

A405 Roadworks

The following roadworks have been reported by various highways agencies and official transport sources. Click on a roadworks item to view more details on the traffic map.

A405

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LEGAL NOTICE

Please remember that it is against the law to use your mobile phone, tablet or any electronic device without a hands-free kit whilst driving. If you're caught by the police using any device that can send or receive data whilst driving or riding a motorcyle you'll get an automatic fixed penalty notice, 6 points on your licence and a fine of £200. A court could also disqualify you from driving.

Elsewhere on the web:

National Highways TrafficNational Highways England

Official source of traffic updates.

Transport for LondonTransport for London (TFL)

Transport for London's (TfL) portal for transportation in London.

Traffic WalesTraffic Wales

The Welsh government's traffic information service for Wales.

Traffic ScotlandTraffic Scotland

Live traffic conditions and news for Scotland's road network.

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Location: northbound at the junction with the M1 .

Due to: Congestion.



Normal traffic conditions are expected between 02:45 and 03:00 on 5 December 2025.
Nearest town: 2.83m from Watford.

51.71--0.38