Dartford Crossing tunnel closures

3 July 2024

Work to re-waterproof and resurface the bridge carrying the M25 anti-clockwise carriageway between Junction 31 (Lakeside) and Junction 30 (A13) is scheduled to take place throughout summer 2024.

The first stage of this work is set to begin this weekend. One of the northbound Dartford Crossing tunnels and several lanes between the Dartford Crossing tunnel exits and M25 Junction 30 (northbound/anti-clockwise) will be closed from 8pm, Saturday 16 July to 10am, Sunday 7 July, for essential maintenance and repairs.

During this period, all traffic will be directed through the adjacent Dartford East Tunnel, continuing in lane three between M25 Junction 31 and Junction 30.

There will be no restrictions for southbound journeys towards the Queen Elizabeth II Bridge.

Residents planning to travel northbound via the crossing during this time should allow additional time for their journey.

These works are part of a series of planned maintenance activities, which will also take place on the following weekends from 8pm, Saturday to 10am, Sunday:

  • Saturday 20 July and Sunday 21 July
  • Saturday 27 July and Sunday 28 July
  • Saturday 10 August and Sunday 11 August
  • Saturday 17 August and Sunday 18 August

Residents are advised to plan their journeys ahead of time and stay updated with the latest traffic information by checking National Highways: Dartford – Thurrock maintenance.