The following summary of planned new and ongoing road improvements over the coming week is correct as of 03 February 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.
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 northbound carriageway between junctions 3 and 2 will be closed overnight, between 8pm and 5.30am, from Monday 6 February for 5 nights. Work on Saturday morning will finish at 7am. A clearly signed diversion will be in place via the A322 and A30, M25 junction 13 and M25 junction 12.
The southbound carriageway between junctions 2 and 3 will be closed overnight, between 8pm and 5.30am, from Monday 6 February for 5 nights. Work on Saturday morning will finish at 7am. A clearly signed diversion will be in place via M25 junction 13, A30, A322 to M3 junction 3.
The carriageway in both directions between junctions 4 and 4a will be closed overnight, between 8pm and 5.30am, from Monday 6 February for 5 nights. Work on Saturday morning will finish at 7am. A clearly signed diversion will be in place via the A331, A30, and A327 to M3 junction 4a and vice versa.
M3 junction 2 (M25), Surrey: smart motorway improvement
Work to improve journeys by carrying out smart motorway improvement continues this week. The dedicated link road from the M3 southbound to the M25 clockwise will be closed overnight, between 8pm and 5.30am, from Tuesday 7 February for 4 nights. Work on Saturday morning will finish at 7am. A clearly signed diversion will be in place via the M25 anti-clockwise to junction 11 and return.
M25 junction 14 Stanwell Moor, Surrey: vegetation maintenance
Work to maintain safety by carrying out vegetation maintenance will start this week. The clockwise exit and entry slip roads will be closed overnight, between 10pm and 5am, from Monday 6 February for 4 nights. A clearly signed diversion will be in place for the exit slip road via M25 junction 15, M4 eastbound to junction 4 and return. A clearly signed diversion will be in place for the entry slip road via junction 13 and return.
M25 Heathrow Terminal 5, Greater London: vegetation maintenance
Work to maintain safety by carrying out vegetation maintenance will start this week. The dedicated link road from Heathrow Airport Terminal 5 to the M25 clockwise will be closed overnight, between 10pm and 5am, from Monday 6 February for 4 nights. A clearly signed diversion will be in place via M25 junction 13 and return.
M25 junction 15 (M4), Greater London: drainage survey
Work to maintain safety by carrying out drainage surveys will start this week. The dedicated link road from the M25 clockwise to the M4 westbound will be closed overnight, between 10pm and 5am, from Tuesday 7 February for 4 nights. A clearly signed diversion will be in place via the M4 eastbound to junction 4 and return.
M25 junction 19 (A41), Hertfordshire: drainage repair
Work to maintain safety by carrying out drainage repairs continues this week. The clockwise exit slip road will be closed overnight, between 10pm and 5.30am, from Monday 6 February for 5 nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place via junction 20 and the A41.
M25 junction 22 London Colney, Hertfordshire: electrical repair
Work to maintain safety by carrying out electrical repairs continues this week. The clockwise exit slip road will be closed overnight, between 10pm and 5am, on Tuesday 7 February. A clearly signed diversion will be in place via junction 23 and return.
M25 junction 25 Enfield, Greater London: electrical repair
Work to maintain safety by carrying out electrical repairs will start this week. The clockwise entry slip road will be closed overnight, between 10pm and 5am, on Thursday 9 January. A clearly signed diversion will be in place via junction 24 and return.
M25 junction 30 Thurrock, Essex: resurfacing
Work to improve journeys by carrying out resurfacing continues this week. The clockwise exit slip road will be closed overnight, between 10pm and 5.30am, from Monday 6 February for 5 nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place for the A13 eastbound via the newly constructed dedicated link road from the M25 clockwise to the A13 eastbound.
A clearly signed diversion will be in place for the A13 westbound via the newly constructed dedicated link road from the M25 clockwise to the A13 eastbound, to the A126 and return.
The anti-clockwise exit slip road will be closed overnight, between 10pm and 5.30am, from Monday 6 February for 5 nights. Work on Friday will start at 11pm. A clearly signed pre-diversion will be in place for the A13 via M25 junction 31 and the A1306 to the Wennington Interchange.
M25 junctions 31 Lakeside to 30 Thurrock, Essex: major improvement
Work to improve journeys by carrying out resurfacing continues this week. The northbound link road between junctions 31 and will be closed overnight, between 10pm and 5.30am, from Monday 6 February for 5 nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place for the M25 anti-clockwise will be in place via the junction 31 roundabout, A1306, A13 eastbound and the newly constructed dedicated link road from the A13 eastbound to the M25 anti-clockwise. A clearly signed diversion will be in place for the A13 via M25 junction 31, A1306 and the A13.
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 clockwise to the M3 in both directions will be closed overnight, between 8pm and 5.30am, on Monday 6 February. A clearly signed diversion will be in place for the M3 southbound via junction 13, A30 and the A322 to M3 junction 3. A clearly signed diversion will be in place for the M3 northbound via M25 junction 13 and return.
The dedicated link road from the M25 in both directions to the M3 southbound will be closed overnight, between 8pm and 5.30am, from Monday 6 February for 5 nights. Work on Saturday morning will finish at 7am. A clearly signed diversion from the M25 clockwise will be in place via M25 junction 13, A30 and the A322 to M3 junction 3. A clearly signed pre-diversion from the M25 anti-clockwise will be in place via junction 13, A30 and the A322 to M3 junction 3.
M40 junction 1a (M25), Buckinghamshire: resurfacing
Work to improve journeys by carrying out resurfacing will start this week. The dedicated link road from the M40 eastbound to the M25 in both directions will be closed overnight, between 10pm and 5am, on Tuesday 7 February. A clearly signed diversion will be in place via M40 junction 1 and return.
A1(M) junctions 4 Hatfield North and 2 Welham Green, Hertfordshire: tunnel maintenance
Work to maintain safety by carrying out maintenance in the Hatfield Tunnel will start this week. The A1(M) southbound between junctions 4 and 2 will be closed overnight, between 10pm and 5am, on Wednesday 8 February and on Friday 10 February. A clearly signed diversion will be in place via the A1001.
A1(M) junctions 3 Hatfield South and 4 Hatfield North, Hertfordshire: tunnel maintenance
Work to maintain safety by carrying out maintenance in the Hatfield Tunnel will start this week. The A1(M) northbound between junctions 3 and 4 will be closed overnight, between 10pm and 5am, on Thursday 9 February and Saturday 11 February. A clearly signed diversion will be in place via the A1001.
A1(M) junction 6 Welwyn, Hertfordshire: resurfacing
Work to improve journeys by carrying out resurfacing will start this week. The northbound exit slip road will be closed overnight, between 11pm and 5am, on Friday 10 February. A clearly signed diversion will be in place via junction 7 and return.
A2 Dartford Heath, Kent: electrical repair
Work to maintain safety by carrying out electrical repairs continues this week. The eastbound entry slip road will be closed overnight, between 10pm and 5am, on Monday 6 February. A clearly signed diversion will be in place via the Black Prince interchange and return.
A13 (M25), Essex: resurfacing
Work to improve journeys by carrying out resurfacing will start this week. The A13 westbound exit slip road will be closed overnight, between 10pm and 5.30am, from Monday 6 February for 5 nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place for the M25 clockwise via the A13 westbound, A1306 and M25 junction 31 roundabout. A clearly signed diversion will be in place for the M25 anticlockwise via the A13 westbound to the A1306 and return on the A13 eastbound and the newly constructed dedicated link road from the A13 eastbound to the M25 anti-clockwise.
The A13 eastbound exit slip will be closed overnight, between 10pm and 5.30am, from Monday 6 February for 5 nights. Work on Friday will start at 11pm. A clearly signed diversion will be in place for the M25 anti-clockwise via the newly constructed dedicated link road from the A13 eastbound to the M25 anti-clockwise. A clearly signed diversion for the M25 clockwise will be in place via the newly constructed dedicated link road from the A13 eastbound to the M25 anti-clockwise, M25 junction 29 and return.
A21 Chipstead, Kent: electrical installation
Work to improve safety by carrying out electrical installation will start this week. The dedicated link road from the A21 northbound to the M25 clockwise at junction 5 will be closed overnight, between 10pm and 5.30am, from Wednesday 8 February for 5 consecutive nights. A clearly signed diversion will be in place via M25 junction 4 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 fully signed diversions in place during the northbound east tunnel closures for oversized vehicles:
- Monday 6 February (9pm to 5.30am) northbound west tunnel
- Tuesday 7 February (9pm to 5.30am) northbound west tunnel
- Wednesday 8 February (9pm to 5.30am) northbound west tunnel
- Thursday 9 February (9pm to 5.30am) northbound west tunnel
- Friday 10 February (9pm to 5.30am) northbound east tunnel
- Saturday 11 February (9pm to 5.30am) northbound west tunnel
- Sunday 12 February (9pm to 5.30am) northbound west tunnel 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 9pm and 5.30am from Monday 6 February for 7 consecutive nights. 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.
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