Essex Motorists Stuck in Gridlock After A12 Closes for Medical Emergency

Traffic chaos hits Essex this morning as a medical emergency shuts the A12 southbound between Junction 12 (Brentwood) and Junction 11 (M25 interchange). Drivers face major delays with the crucial stretch fully closed.

Essex Police and National Highways Respond

Essex Police are at the scene with emergency services working hard. National Highways confirmed the full closure and urged drivers to find alternative routes immediately.

“The A12 southbound between J12 and J11 is fully shut while emergency services attend the scene,” a spokesperson said.

Official Diversion Route in Place

Drivers heading towards the M25 should follow this official diversion:

  • Exit A12 southbound at Junction 12
  • At the roundabout, take the first exit onto A1023 toward Brentwood
  • Continue through Brentwood for about 4 miles
  • At M25 Junction 28 roundabout, take the second exit to rejoin A12 southbound

For live updates, call National Highways on 0300 123 5000 or visit www.trafficengland.com.

Delays Expected – Plan Ahead

National Highways warns of heavy delays near the closure, especially during rush hour. Drivers are urged to:

  • Allow extra travel time
  • Consider re-routing or delaying journeys
  • Stay informed through travel apps and local traffic reports

Stay Updated with Latest Travel News

Follow @HighwaysEAST on X (formerly Twitter) for live news from the scene. No word yet on when the A12 southbound will reopen.

This is a developing situation – stay tuned for more updates.

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