Government

Press release: Planned roadworks in and around the M25: weekly summary for Monday 20 March to Sunday 26 March 2017





The following summary of planned new and ongoing road improvements over the coming week is correct as of 17 March 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 junction 2 Mill Hill, Greater London: bridge investigation

Work to maintain safety by carrying out bridge investigations will start this week. The northbound entry slip road will be closed overnight, between 10pm and 5am, from Monday 20 March for 5 nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place via the A1 and A41 to M1 junction 4.

M1 junction 6a (M25), Hertfordshire: electrical repair

Work to maintain safety by carrying out electrical repairs continues this week. The southbound link roads to the M25 in both directions will be closed overnight, between 10pm and 5am, on Monday 20 March. A clearly signed diversion will be in place via the M1 junction 6, A405 eastbound and M25 junction 21a.

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

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

The northbound carriageway between junctions 3 and 2 will be closed overnight, between 8pm and 5.30am, from Monday 20 March for 5 nights. Work on Saturday will finish at 7am. A clearly signed diversion will be in place via the A322, A30, M25 junction 13 and M25 junction 12.

The southbound carriageway between junctions 4 and 5 will be closed overnight, between 8pm and 5.30am, from Monday 20 March for 5 nights. Work on Saturday will finish at 7am. A clearly signed diversion will be in place via M3 junction 4, A331, A30 and A287 to M3 junction 5.

The southbound carriageway between junctions 2 and 3 will be closed overnight, between 8pm and 5.30am, from Wednesday 22 March for 3 nights. Work on Saturday will finish at 7am. A clearly signed diversion will be in place via M25 junction 13, A30, A322 to M3 junction 3.

The northbound exit slip road at junction 4a will be closed overnight, between 8pm and 5.30am, from Monday 20 March for 4 nights. A clearly signed diversion will be in place via M3 junction 4, A331 and the M3 southbound to junction 4a.

The northbound carriageway between junctions 4a and 4 will be closed overnight, between 8pm and 7am, on Saturday 25 March 2017. A clearly signed diversion will be in place via the A327, A30 and A331 to M3 junction 4.

The scheme is due to be completed in June 2017. For further information visit the scheme website.

M4 junctions 3 (A312) to 1 Chiswick, West London: electrical installation

Work to improve safety by carrying out electrical installation continues this week. The carriageway in both directions, including Heston Services and junction 2, will be closed overnight, between midnight and 5.30am, from Monday 20 March for 5 nights. Work on Saturday morning will finish at 6am. A clearly signed diversion will be in place via the A312 and A4.

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

Work to maintain safety by carrying out carriageway surveys will start this week. The dedicated link roads from the M4 in both directions to the M25 anti-clockwise will be closed overnight, between 10.30pm and 5am, on Sunday 26 March. A clearly signed diversion will be in place via the M25 clockwise to M40 junction 1 and return.

M25 junction 2 (A2), Kent: resurfacing

Work to improve journeys by carrying out resurfacing will start this week. The dedicated link road from the M25 anti-clockwise to the A2 westbound will be closed overnight, between 10pm and 5am, on Sunday 26 March. A clearly signed diversion will be in place via the junction 2 roundabout.

M25 junction 10 (A3), Surrey: communications

Work to maintain safety by carrying out communications work will start this week. The anti-clockwise carriageway between the slip roads will be closed overnight, between 10pm and 5am, on Thursday 23 March. A clearly signed diversion will be in place via the exit and entry slip roads.

M25 junction 10 (A3), Surrey: carriageway repairs

Work to improve journeys by carrying out carriageway repairs will start this week. The anti-clockwise exit and entry slip roads will be closed overnight, between 10pm and 5am, from Monday 20 March for 3 nights. A clearly signed diversion will be in place for the exit slip road via junction 9 and return. A clearly signed diversion will be in place for the entry slip road via junction 11 and return.

The anti-clockwise carriageway will be closed overnight, between 10pm and 5.30am, from Thursday 23 March for 2 nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place via the exit and entry slip roads.

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 25 March. A clearly signed diversion will be in place via the A3, A245, B374 and A317 to junction 11.

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

Work to improve journeys by carrying out smart motorway improvement continues this week. The dedicated link roads from the M25 in both directions to the M3 southbound will be closed overnight, between 8pm and 5.30am, from Wednesday 22 March for 3 nights. On Saturday work will finish at 7am. A clearly signed diversion will be in place via M25 junction 13, A30, A322 to M3 junction 3.

M25 junction 14 and Terminal 5 spur road, Heathrow, Greater London: inspection

Work to maintain safety by carrying out inspections continues this week. The anti-clockwise exit slip road will be closed overnight, between 10pm and 5am, on Sunday 26 March. A clearly signed diversion will be in place via the M25 clockwise to junction 13 and return.

M25 junctions 20 Hemel Hempstead to 21a St Albans, Hertfordshire: electrical repair

Work to maintain safety by carrying out electrical repairs continues this week. The clockwise carriageway will be closed overnight, between 10pm and 5am, on Wednesday 22 March. A clearly signed diversion will be in place via the M1 northbound to junction 8, M1 southbound to junction 6, A405 eastbound to M25 junction 21a.

M25 junctions 30 Thurrock to 31 Lakeside, Essex: street lighting

Work to maintain safety by carrying out street lighting maintenance continues this week. The clockwise carriageway will be closed overnight, between 10pm and 5.30am, from Monday 20 March for 2 nights. A clearly signed diversion will be in place via the dedicated link road between junctions 30 and 31.

The dedicated link roads between junction 30 and 31 in both directions will be closed overnight, between 10pm and 5.30am, on Wednesday 22 March. A clearly signed diversion will be in place via the A13, Wennington Interchange and the A1306 and vice versa.

A1(M) junctions 3 Hatfield to 4 Hertford, Hertfordshire: tunnel maintenance

Work to maintain tunnel safety by carrying out repairs will start this week. The northbound carriageway will be closed overnight, between 10pm and 5am, on Saturday 25 March. A clearly signed diversion will be in place via A1001.

A282 junction 1a Swanscombe, Kent: tunnel maintenance

Work to maintain safety by carrying out tunnel maintenance will continue this week. The northbound entry slip road will be closed overnight, between 9pm and 5.30am, from Monday 20 March for 4 nights and on Saturday 25 March. A clearly signed diversion will be in place via the A282 southbound to junction 1b and return.

A282 (M25) Dartford – Thurrock Crossing: routine maintenance

Work to improve journeys by carrying out routine maintenance at the Dartford Crossing continues this week. The following closures will be in place overnight, between 9pm and 5.30am, with fully signed diversions in place during the northbound east tunnel closures for oversized vehicles.

  • Monday 20 March: northbound west tunnel
  • Tuesday 21 March: northbound west tunnel
  • Wednesday 22 March: northbound west tunnel
  • Thursday 23 March: northbound west tunnel
  • Friday 24 March: northbound east tunnel
  • Saturday 25 March: northbound west tunnel
  • Sunday 26 March: 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.





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