Traffic

Stationary traffic due to a crash between two cars on M25.

The incident took place on the anticlockwise after J17 A412 (Maple Cross).

Congestion to J20 (Kings Langley). Traffic has been held for safety reasons due to an accident in lane four.

Reports of A1 Watford Way Southbound partially blocked, slow traffic due to accident at Great North Way (Fiveways).

Emergency repairs and traffic light failure on A1 at A41 / A5109 (Apex Corner). The phasing of the lights have been incorrect since Thursday morning, repairs are being carried out to the lights.

Delays on A1 Southbound at A411 Barnet Lane (Stirling Corner). Travel time is eight minutes.

Traffic returned to normal and traffic returned to normal on A1(M) Southbound after J2 A1001 (Welham Green).

Heavy traffic on A501 City Road at the roadworks around B144 Bath Street / Shepherdess Walk.

Usual very slow traffic on A12 Westbound before A406 North Circular Road (Redbridge Roundabout). Travel time is seven minutes.

Weather

Remaining cold on Tuesday with further showers, some heavy and possibly turning wintry across the highest parts of the South Downs. Chance of hail and thunder near coasts. A maximum temperature of 6C.

Tube

Delays of up to 15 minutes can be expected to trains between Watford Junction and London Euston due to a fault with the signaling system