Press release

Planned roadworks in and around the M25: weekly summary for Monday 18 April to Sunday 24 April

Planned new and ongoing road improvements over the coming week.

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The following summary of planned new and ongoing road improvements over the coming week is correct as of 15 April 2016 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 1 (A406) to 4 Stanmore, Greater London: carriageway resurfacing

Work to improve journeys by carrying out resurfacing will continue this week. The northbound carriageway will be closed overnight, between 10pm and 5.30am, from Monday 18 April for 5 nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place via the A406 and A41 to M1 junction 4.

M3 junction 1 Sunbury-on-Thames, Surrey: electrical repair

Work to improve journeys by carrying out electrical repairs will start this week. The northbound entry slip road will be closed overnight, between 10pm and 5.30am, from Monday 18 April for 5 nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place via the A308 and A312.

The northbound exit slip road will be closed overnight, between 11pm and 6am, on Friday 22 April. A clearly signed diversion will be in place to the Snakey Lane/Nallhead Road junction and return.

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 contraflow and a 50mph speed limit in place on both carriageways between junctions 2 and 4a, with a free recovery service operating 24 hours a day until the end of 2016.

The northbound carriageway between junction 3 and junction 2 (including slip roads to the M25) will be closed overnight, between 8pm and 7am, on Saturday 23 April. A clearly signed diversion will be in place via the A322 and the A30 to M25 junction 13.

The southbound carriageway between junction 2 and junction 3 will be closed overnight, between 8pm and 7am, on Saturday 23 April. A clearly signed diversion will be in place via the M25 junction 13, A30 and A322 to M3 junction 3.

M4 junctions 1 (A406) to 3 Hayes, Middlesex: safety barrier repair

Work to improve journeys by carrying out safety barrier repairs will take place this week. The carriageway in both directions including the entry slip road at junction 2 will be closed overnight, between 10pm and 5am, on Tuesday 19 April. A clearly signed diversion will be in place via the A4 and the A312.

M4 junction 4b (M25), Greater London: carriageway resurfacing

Work to improve journeys by carrying out resurfacing will take place this week. The dedicated link road from the M4 eastbound to the M25 in both directions will be closed overnight, between 10pm and 5.30am, from Monday 18 April for 2 nights. A clearly signed diversion will be in place via junction 4 and return, and M25 junction 14. The dedicated link road from the M4 westbound to the M25 clockwise will be closed overnight, between 10pm and 5.30am, from Monday 18 April for 2 nights. A clearly signed diversion will be in place via M25 junction 14 and return.

M23 junctions 8 (M25) to 9 Gatwick: carriageway resurfacing

Work to improve journeys by carrying out resurfacing work will continue this week. The carriageway will be closed overnight, between 10pm and 5.30am, from Monday 18 April for 2 nights. A clearly signed diversion will be in place via the M25 anti-clockwise to junction 6, A22, A264 to M23 junction 10.

M25 junction 7 (M23), Surrey: carriageway resurfacing

Work to improve journeys by carrying out resurfacing will continue this week. The dedicated link roads from the M25 in both directions to the M23 southbound will be closed overnight, between 10pm and 5.30am, from Monday 18 April for 2 nights. A clearly signed diversion for anti-clockwise drivers will be in place via M25 junction 6, A22, A264 and the M23. A clearly signed pre-diversion for clockwise drivers will be in place from M25 junction 6, where drivers will join the diversion route specified above.

The dedicated link road from the M23 northbound to the M25 in both directions will be closed overnight, between 10pm and 5.30am, from Wednesday 20 April for 3 nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place from M23 junction 10, via the A264 and the A22 to M25 junction 6.

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

Work to improve journeys by carrying out smart motorway improvements on the M3 continue this week. The M25 clockwise and anti-clockwise link roads to the M3 southbound will be closed overnight, between 8pm and 7am, on Saturday 23 April. A clearly signed diversion will be in place via M25 junction 13, A30 and A322 to M3 junction 3.

M25 junction 14 (A3113), Greater London: carriageway resurfacing

Work to improve journeys by carrying out carriageway resurfacing will start this week. The clockwise exit slip road will be closed overnight, between 10pm and 5.30am, from Wednesday 20 April for 3 nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place via M25 junction 15, M4 junction 4 and return.

M25 junction 16 (M40), Buckinghamshire: electrical repair

Work to improve journeys by carrying out electrical repairs will start this week. The link roads from the M25 in both directions to the M40 westbound will be closed overnight, between 10pm and 5.30am, on Tuesday 19 April. A clearly signed diversion will be in place via M40 junction 1 and return.

The link roads from the M25 in both directions to the M40 eastbound will be closed overnight, between 10pm and 5.30am, on Wednesday 20 April. A clearly signed diversion will be in place via M40 junction 2 and return.

M25 junction 19 Watford, Hertfordshire: carriageway repair

Work to improve journeys by carrying out carriageway repairs will start this week. The anti-clockwise entry slip road will be closed overnight, between 10pm and 5am, on Monday 18 April. A clearly signed diversion will be in place via the A41 to M25 junction 20.

M25 junction 20 Kings Langley, Hertfordshire: electrical repair

Work to improve journeys by carrying out electrical repairs will start this week. The anti-clockwise exit slip road will be closed overnight, between 10pm and 5am, on Tuesday 19 April. A clearly signed diversion will be in place via junction 18 and return.

M25 junction 23 South Mimms, Hertfordshire: electrical repair

Work to improve journeys by carrying out electrical repairs will start this week. The clockwise exit slip road will be closed overnight, between 10pm and 5am, from Monday 18 April for 2 nights. A clearly signed diversion will be in place via junction 24 and return.

M25 junction 24 Potters Bar, Hertfordshire: electrical repair

Work to improve journeys by carrying out electrical repairs will start this week. The clockwise exit and entry slip roads will be closed overnight, between 10pm and 5am, from Wednesday 20 April for 2 nights. A clearly signed diversion for the exit slip road will be in place via junction 25 and return. A clearly signed diversion for the entry slip road will be in place via junction 23 and return.

M25 junction 26 Waltham Abbey, Essex: carriageway sweeping

Work to improve journeys by carrying out carriageway sweeping will take place this week. The clockwise exit slip road will be closed overnight, between 10pm and 5am, on Monday 18 April. A clearly signed diversion will be in place via junction 28 and return.

M25 junction 28 Brentwood, Essex: electrical repair

Work to improve journeys by carrying out electrical repairs will start this week. The clockwise exit slip road will be closed overnight, between 10pm and 5am, from Thursday 21 April for 4 consecutive nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place via junction 29 and return.

M25 junctions 31 Lakeside to 30 Thurrock, Essex: major improvement

Work to reduce congestion and improve safety continues this week as part of a major scheme to widen the A13 and the M25 junction 30 roundabout and slip roads. The anti-clockwise carriageway will be closed overnight, between 10pm and 5.30am, from Monday 18 April for 4 nights. A clearly signed diversion will be in place via the link road between junctions 31 and 30.

M25 junction 31 Lakeside, Essex: major improvement

Work to reduce congestion and improve safety continues this week as part of a major scheme to widen the A13 and the M25 junction 30 roundabout and slip roads. The clockwise entry slip road will be closed overnight, between 10pm and 5.30am, from Monday 18 April for 3 nights.

M40 junction 1a (M25), Buckinghamshire: electrical repair

Work to improve journeys by carrying out electrical repairs will take place this week. The link roads from the M40 westbound to the M25 in both directions will be closed overnight, between 10pm and 5.30am, on Tuesday 19 April. A clearly signed diversion will be in place via junction 2 and return.

The link roads from the M40 eastbound to the M25 in both directions will be closed overnight, between 10pm and 5.30am, on Wednesday 20 April. A clearly signed diversion will be in place via junction 1 and return.

A13/M25 junction 30 Thurrock, Essex: major improvement

Work to reduce congestion and improve safety continues this week as part of a major scheme to widen the A13 and the M25 junction 30 roundabout and slip roads. On the A13, narrow lanes and a 40mph speed limit are in place and on the M25, narrow lanes and a 50mph speed limit are in place. A free recovery service will operate 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.

The westbound A13 carriageway between North Stifford (A1012) and Wennington (A1306) will be closed overnight, between 10pm and 5.30am, from Monday 18 April, for 2 nights and between 11pm and 5.30am on Friday 22 April. A clearly signed diversion will be in place via the A1012 and A1306.

The eastbound A13 carriageway between Wennington (A1306) and North Stifford (A1012) will be closed overnight, between 10pm and 5.30am, from Wednesday 20 April for 3 nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place via the A1306, M25 junction 31 and the A1012.

For further details visit the scheme page

A40 Denham, Buckinghamshire: bridge joint replacement

Work to improve journeys by replacing bridge joints will start this week. The eastbound carriageway between Denham Roundabout and the B483 will be closed overnight, between 10pm and 5.30am, from Thursday 21 April for 2 nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place via the A4020 and the B483.

A282 junction 1a Swanscombe, Kent: maintenance work

Work to improve journeys at the Dartford Crossing by carrying out tunnel maintenance continues this week. The northbound anti-clockwise entry slip road will be closed overnight, between 9pm and 5.30am, on Friday 22 April. A clearly signed diversion will be in place via junction 1b and return.

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 the closure of the QEII Bridge, southbound traffic will be diverted via the east bore of the Dartford Tunnel.

  • Monday 18 April (8.30pm to 5.30am): northbound east tunnel
  • Tuesday 19 April (8.30pm to 5.30am): northbound east tunnel
  • Wednesday 20 April (8.30pm to 5.30am): northbound east tunnel
  • Thursday 21 April (8.30pm to 5.30am): northbound east tunnel
  • Friday 22 April (9pm to 5.30am): northbound west tunnel
  • Saturday 23 April (10pm to 5.30am): southbound QEII Bridge closed
  • Sunday 24 April (8.30pm to 5.30am): northbound east tunnel

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 15 April 2016