Delays mounting near South Mimms

The M25 from the air looking down towards South Mimms [Picture: Atlas Drones]

The M25 from the air looking down towards South Mimms [Picture: Atlas Drones] - Credit: Atlas Drones

Delays are currently building near South Mimms because several traffic lights have stopped working.

https://twitter.com/HighwaysEAST/status/884647685558603776

Highways England is encouraging motorists to plan ahead before using Junction 23 of the M25 as all the lights throughout the roundabout are broken.

It is causing tailbacks towards Barnet and around Bignells Corner.