Press release

Planned roadworks in and around the M25: Weekly summary for Monday 9 March - Sunday 15 March

The following summary of planned new and ongoing road improvements over the coming week is correct as of 5 March 2015 but could be subject to change due to weather conditions or unforeseen circumstances. All our improvement work is carried out with the aim of causing as little disruption as possible.

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M1 junction 2, Greater London: Drainage work

The northbound entry slip road will be closed overnight, between 10pm and 5am, for two nights from Monday 9 March. A clearly signed diversion will be in place via the A41.

The southbound exit slip road will be closed overnight, between 10pm and 5am, for two nights from Wednesday 11 March. A clearly signed diversion route will be in place via junction 1, the A406 and A1.

M3 junctions 2 – 3, Surrey: Major improvement scheme

The westbound carriageway will be closed overnight, between 10pm and 5.30am, on Sunday 15 March. A clearly signed diversion will be in place via the M25 clockwise, A30 and A322.

M4 junction 3, Greater London: Carriageway sweeping

The westbound entry slip road will be closed overnight, between 10pm and 5am, on Monday 9 March. A clearly signed diversion will be in place via the M4 eastbound to junction 1.

M25 junction 5, Kent: Litter clearance

The anti-clockwise carriageway will be closed overnight, between 10pm and 5am, on Monday 9 March. A clearly signed diversion will be in place via the A21 and A25.

M25 Clacket Lane Services, Surrey: Carriageway surfacing

The anti-clockwise services will be closed overnight, between 10pm and 5am, on Monday 9 March. Other services are available at Cobham (between junctions 10-9) or Thurrock (junction 31) on the anti-clockwise carriageway.

M25 junction 6, Surrey: Electrical work

The clockwise entry slip road will be closed overnight, between 10pm and 5am, on Monday 9 March. A clearly signed diversion will be in place via junction 4.

M25 junction 12, Surrey: Major improvement scheme

The clockwise and anti-clockwise link roads to the M3 westbound will be closed overnight, between 10pm and 5.30am, on Sunday 15 March. A clearly signed diversion will be in place via junction 13, A30 and A322 to join the M3 at junction 3.

M25 junction 13, Surrey: Bridge joint replacement work

The anti-clockwise exit slip road will be closed overnight, between 10pm and 5am, from Monday 9 March to Monday 23 March. Work on Fridays will start at 11pm. There will be no weekend closures. A clearly signed diversion will be in place via junction.

M25 junction 17, Buckinghamshire: Carriageway resurfacing

The anti-clockwise entry slip road will be closed overnight, between 10pm and 5.30am, for five nights from Monday 9 March. Work on Friday will start at 11pm. A clearly signed diversion will be in place via junction 18.

M25 junction 21a - 20, Hertfordshire: Bridge joint survey work

The anti-clockwise carriageway including the dedicated link road to the M1 northbound and junction 21a anti-clockwise entry slip road will be closed overnight, between 10pm and 5am, on Saturday 28 February. A clearly signed diversion for traffic wishing to use the M1 northbound will be in place via junction 21a, the A405 and A414. A clearly signed diversion for the anti-clockwise carriageway and junction 21a entry slip road will be in place via the A405 and A41.

M25 junction 31, Essex: Dart Charge construction work

The clockwise entry slip road will be closed overnight, between 10pm and 5.30am, on Monday 9 March. A clearly signed diversion will be in place via junction 30.

A1(M) junctions 1 – 2, Hertfordshire: Emergency crossover barrier gate installation

Narrow lanes and a 50mph speed limit will be in place on both carriageways 24 hours a day from Monday 9 March until Saturday 28 March. Additional overnight lane closures will be required Monday to Thursday between 10pm and 5am and Friday between 11pm and 6am.

The northbound entry slip road at junction 1 will be closed overnight, between 10pm and 5.30am on Monday 9 March. A clearly signed diversion will be in place via the M25 junction 22, the A1081 and A414.

The southbound exit slip road at junction 1 will be closed overnight, between 10pm and 5.30am, on Tuesday 10 March. A clearly signed diversion will be in place via junction 3, the A414 and A1081.

A1(M) junctions 4 to 6, Hertfordshire: Carriageway resurfacing

The northbound carriageway will be closed overnight, between 10pm and 5am, for seven nights from Monday 9 March. Work on Friday will start at 11pm. A clearly signed diversion will be in place via the A414, A6129, B197 and A1001.

The southbound entry slip road at junction 6 will be closed overnight, between 10pm and 5am, for seven nights from Monday 9 March. Work on Friday will start at 11pm. A clearly signed diversion will be in place via the A1001 and B197.

A13/M25 junction 30 Thurrock, Essex: Major improvement

Narrow lanes and a 40mph speed limit are in place with a free recovery service operating 24 hours a day. There will be additional overnight lane and slip road closures as required. All closures will have a clearly signed diversion in place.

A13 Grays (A1012) to Wennington (A1306), Essex: Major improvement

The westbound carriageway and entry slip roads from the A126 and M25 junction 30 will be closed overnight, between 10pm and 5.30am, on Monday 9 March and for three nights from Thursday 12 March. Work on Friday night will start at 11pm. A clearly signed diversion will be in place via the A1012, West Thurrock Arterial Road and A1306 to Wennington.

The eastbound carriageway and entry slip road from M25 junction 30 will be closed overnight, between 10pm and 5.30am, for two nights from Tuesday 10 March and on Sunday 15 March. A clearly signed diversion will be in place via A1306, West Thurrock Arterial Road, and the A1012.

A282 junction 1a, Kent: Dart Charge construction work

The northbound entry slip road will be closed overnight, between 8:30pm and 5.30am, for six nights from Tuesday 10 March. A clearly signed diversion will be in place via junction 1b.

A282 junction 1b, Kent: Dart Charge construction work

The northbound entry slip road will be closed overnight, between 10pm and 5:30am, for two nights from Monday 9 March. A clearly signed diversion route will be in place via junction 2.

A282 (M25) Dartford – Thurrock Crossing: Maintenance work

The following closures will be in place, with a fully signed diversion for oversized vehicles for the northbound east tunnel closures.

  • Monday 9 March (8.30pm to 5:30am): northbound East Tunnel closure
  • Tuesday 10 March (8.30pm to 5:30am): northbound West Tunnel closure
  • Wednesday 11 March (8.30pm to 5:30am): northbound West Tunnel closure
  • Thursday 12 March (8.30pm to 5:30am): northbound West Tunnel closure
  • Friday 13 March (8.30pm to 5:30am): northbound West Tunnel closure
  • Saturday 14 March (8.30pm to 5.30am): northbound West Tunnel closure
  • Sunday 15 March (8.30pm to 5:30am): northbound West Tunnel closure

Safety at roadworks

The Highways Agency is working with the industry and road users to reduce the risks of working on the roads. For the safety of road workers and all road users, when you are approaching roadworks:

  • Keep within the speed limit – it is there for your safety.
  • Get into the correct lane in good time – don’t keep switching.
  • Concentrate on the road ahead, not the roadworks.
  • Be alert for works’ traffic leaving or entering roadworks.
  • Keep a safe distance – there could be queues in front.
  • Observe all signs – they are there to help you.

General enquiries

Members of the public should contact the Highways Agency Information Line on 0300 123 5000.

Media enquiries

Journalists should contact the Highways Agency press office on 0844 693 1448 and use the menu to speak to the most appropriate press officer.

Published 6 March 2015