Press release

Planned roadworks in and around the M25: Weekly summary for Monday 16 March - Sunday 22 March

The following summary of planned new and ongoing road improvements over the coming week is correct as of 13 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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M3 junctions 2 to 3, Surrey: Major improvement scheme

The westbound carriageway will be closed overnight, between 10pm and 5.30am, on Sunday 22 March. A clearly signed diversion will be in place via the M25 clockwise, A30 and A322.

M40 junction 1a, Buckinghamshire: Electrical work

The eastbound and westbound link roads to the M25 clockwise will be closed overnight, between 10pm and 5am, for two nights from Monday 16 March. A clearly signed diversion for the eastbound link road will be in place via junction 1, A40 and A412 to junction 17 on the M25. A clearly signed diversion for the westbound link road will be in place via junctions 2 and 1, A40, A412 to junction 17 on the M25.

M20 junction 1, Kent: Horticultural work

The westbound link road to the anti-clockwise M25 will be closed overnight, between 10pm and 5am, for two nights from Thursday 19 March. Work on Friday will start at 11pm. A clearly signed diversion will be in place via the M25 junction 3 roundabout.

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 22 March. A clearly signed diversion will be in place via junction 13, A30 and A322 to junction 3 on the M3.

M25 junction 13, Surrey: Bridge joint replacement work

The anti-clockwise exit slip road will be closed overnight, between 10pm and 5am, for five nights from Monday 16 March. Work on Friday will start at 11pm. A clearly signed diversion will be in place via junction 11.

M25 junction 17, Buckinghamshire: Carriageway resurfacing

The anti-clockwise entry slip road will be closed overnight, between 10pm and 4am, for two nights from Monday 16 March. A clearly signed diversion will be in place via A412, A40 and M40.

M25 junctions 16 – 17, Buckinghamshire: Electrical work

The clockwise and anti-clockwise carriageways will be closed overnight, between 10pm and 4am, for two nights from Monday 16 March. A clearly signed diversion for the clockwise carriageway will be in place via M40 junction 1, A40 and A412. A clearly signed diversion for the anti-clockwise carriageway will be in place via A412, A40 and M40.

M25 junction 20, Hertfordshire: Drainage work

The anti-clockwise exit slip road will be closed overnight, between 10pm and 5am, for two nights from Tuesday 17 March. A clearly signed diversion will be in place via junction 18.

M25 junctions 21a - 20, Hertfordshire: Bridge joint 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 9pm and 9am, on Saturday 21 March. 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 28, Essex: Carriageway resurfacing

The clockwise dedicated link road to the A12 eastbound will be closed overnight, between 10pm and 5am, for five nights from Monday 16 March. A clearly signed diversion will be available via the junction 28 roundabout.

M25 junction 31, Essex: Dart Charge construction work

The clockwise entry slip road will be closed overnight, between 10pm and 5.30am, for two nights from Monday 16 March. A clearly signed diversion will be in place via junction 30.

A1(M) junctions 1 to 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 16 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.

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 16 March. Work on Friday will start at 11pm. A clearly signed diversion will be in place via the A414, A6129, B197 and A1001.

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 Grays (A1012) junction and Wennington (A1306) junction will be closed overnight, between 10pm and 5.30am, on Monday 16 March and Wednesday 18 March. 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 roads from the Wennington (A1306) junction and Grays (A1012) junction will be closed overnight, between 10pm and 5.30am, on Tuesday 17 March and for two nights from Thursday 19 March. Work on Friday will start at 11pm. A clearly signed diversion will be in place via A1306, West Thurrock Arterial Road and the A1012.

A25 Sevenoaks, Kent: Barrier work

The northbound link road to the A21 northbound will be closed overnight, between 8pm and 5am, for 16 nights from Monday 16 March. A clearly signed diversion will be in place via the A25 to A21 Morleys roundabout and return.

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 17 March. A clearly signed diversion will be in place via junction 2, except on Saturday 21 March and Sunday 22 March when the diversion will be 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 five nights from Monday 16 March. A clearly signed diversion will be in place via junction 2.

A282 junctions 1b to 2, Kent: Dart Charge construction work

The southbound carriageway will be closed overnight, between 10pm and 5.30am, on Monday 16 March. A clearly signed diversion will be in place via the junction 1b link road to the junction 2 roundabout.

A2 Darenth, Kent: Dart Charge construction work

The westbound dedicated link road to A282 northbound will be closed overnight, between 10pm and 5:30am, on Thursday 19 March. A clearly signed diversion will be in place via the junction 2 roundabout.

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 16 March (8.30pm to 5:30am): northbound East Tunnel closure
  • Tuesday 17 March (8.30pm to 5:30am): northbound West Tunnel closure
  • Wednesday 18 March (8.30pm to 5:30am): northbound West Tunnel closure
  • Thursday 19 March (8.30pm to 5:30am): northbound West Tunnel closure
  • Friday 20 March (8.30pm to 5:30am): northbound West Tunnel closure
  • Saturday 21 March (8.30pm to 5.30am): northbound West Tunnel closure
  • Sunday 22 March (8.30pm to 5:30am): northbound West Tunnel closure

The QEII Bridge will have three (of four) lanes closed overnight, between 10pm and 5.30am, for two nights from Monday 16 March.

A316 Surrey: Electrical work

The eastbound and westbound carriageways from M3 junction 1 to Apex Corner junction will be closed overnight, between 10pm and 5.30am, for four nights from Monday 16 March. A clearly signed diversion will be in place via Park Road and Hanworth Road.

A1089 Tilbury, Essex: Safety barrier repair

The northbound link road to the A13 eastbound will be closed overnight, between 10pm and 5am, for two nights from Monday 16 March. A clearly signed diversion will be in place via the A13 westbound to the Grays (A1012) junction and return. 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 16 March 2015