Press release

Planned roadworks in and around the M25: weekly summary for Tuesday 3 January to Sunday 8 January 2017

Planned new and ongoing road improvements over the coming week.

This news article was withdrawn on

These bulletins are now sent directly to journalists. Contact the Highways England Press Office directly to be added to the circulation list.

Otherwise you can check on the live roadworks search tool.

The following summary of planned new and ongoing road improvements over the coming week is correct as of 2 January 2017 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.

M1 junctions 4 Elstree to 1 (A406), Greater London: bridge joint replacement

Work to improve journeys by carrying out bridge joint replacements on the structure that carries M1 over the Thameslink railway line will start this week. The southbound carriageway (including the London Gateway entry slip road) will be closed overnight, between 10pm and 5.30am, from Thursday 5 January for 4 nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place via the A41 and A406 to M1 junction 1.

M3 junctions 2 (M25) to 4a Farnborough, Hampshire: Smart motorway improvement

Work to reduce congestion and improve journey times continues this week with narrow lanes a 50mph speed limit in place on both carriageways between junctions 2 and 4a, with a free recovery service operating 24 hours a day.

The southbound carriageway between junctions 2 and 4 will be closed overnight, between 8pm and 5.30am, from Tuesday 3 January for 4 nights. Work on Saturday will finish at 7am. A clearly signed diversion will be in place via M25 junction 13, A30 and the A331.

The northbound carriageway between junctions 4 and 3 will be closed overnight, between 8pm and 5.30am, from Tuesday 3 January for 4 nights. A clearly signed diversion will be in place via the A331, A30 and A322 to M3 junction 3.

M25 junction 5 (M26), Kent: electrical repair

Work to maintain safety by carrying out electrical repairs will start this week. The anti-clockwise carriageway between the slip roads will be closed overnight, between 10pm and 5am on Wednesday 4 January. A clearly signed diversion will be in place via the M26, A21, A25 and return.

M25 junction 9 Leatherhead, Surrey: white lining

Work to maintain safety by carrying out white lining will start this week. The clockwise exit slip road will be closed overnight, between 10pm and 5.30am, on Thursday 5 January. A clearly signed diversion will be in place via junction 10 and return. The anti-clockwise exit slip road will be closed overnight, between 10pm and 6am, on Friday 6 January. A clearly signed diversion will be in place via junction 8 and return.

M25 junctions 10 (A3) to 11 Chertsey, Surrey: bridge joint replacement

Work to improve journeys by carrying out bridge joint replacement on the structure that carries the M25 over the River Wey and the South West Trains railway line continues this week. The clockwise carriageway and junction 10 entry slip road will be closed overnight, between 9pm and 8am, on Saturday 7 January. A clearly signed diversion will be in place via the A3, A245, A320 and A317 to junction 11.

M25 junction 12 (M3), Surrey: smart motorway improvement

Work to reduce congestion and improve journey times continues this week. The dedicated link roads from the M25 in both directions to the M3 southbound will be closed overnight, between 8.30pm and 5.30am, from Tuesday 3 January for 4 nights. Work on Saturday morning will finish at 7am. A clearly signed diversion will be in place via M25 junction 13, A30 and the A331.

M25 junctions 22 London Colney to 23 South Mimms, Hertfordshire: resurfacing

Work to improve journeys by carrying out resurfacing will start this week. The clockwise carriageway will be closed overnight, between 10pm and 5.30am, from Tuesday 3 January for 3 nights. A clearly signed diversion will be in place via the A1081, A414, A1001, A1(M) and M25 junction 23.

M25 junction 31 Lakeside, Essex: bridge maintenance

Work to maintain safety by carrying out maintenance work will start this week. The clockwise entry slip road will be closed overnight, between 10pm and 5.30am, from Tuesday 3 January for 2 nights. A clearly signed diversion will be in place via junction 30 and return.

A1(M) junction 2 Welham Green, Hertfordshire: electrical repair

Work to maintain safety by carrying out electrical repairs will start this week. The northbound exit slip road will be closed overnight, between 10pm and 5am, on Thursday 5 January. A clearly signed diversion will be in place via junction 3 and the A1001.

A282 (M25) Dartford – Thurrock Crossing: maintenance

Work to improve journeys at the Dartford Crossing continues this week. The following closures will be in place with a fully signed diversion for oversized vehicles for the northbound east tunnel closures.

During closures of the QEII Bridge, a fully signed diversion will be in place via the east tunnel.

  • Tuesday 3 January (10pm to 5.30am) southbound QEII Bridge
  • Wednesday 4 January (10pm to 5.30am) southbound QEII Bridge
  • Thursday 5 January (8.30pm to 5.30am) northbound east tunnel
  • Friday 6 January (9pm to 5.30am) northbound east tunnel
  • Saturday 7 January (9pm to 5.30am) northbound west tunnel
  • Sunday 8 January (8.30pm to 5.30am) northbound west tunnel

The QEII Bridge will have three (of four) lanes closed overnight, between 10pm and 5.30am, from Thursday 5 January for 2 nights. Work on Friday will start at 11pm.

A282 junction 1a Swanscombe, Kent: tunnel maintenance

Work to maintain safety by carrying out tunnel maintenance continues this week. The northbound entry slip road will be closed overnight, between 8.30pm and 5.30am, on Wednesday 4 January, and between 9pm and 5.30am on Saturday 7 January and between 8.30pm and 5.30am on Sunday 8 January. A clearly signed diversion will be in place via the A282 southbound to junction 1b and return.

General enquiries

Members of the public should contact the Highways England customer contact centre on 0300 123 5000.

Media enquiries

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

Published 3 January 2017