City Road (All Directions) at the junction of Leonard Street - Temporary traffic signals in operation to facilitate road works.
No restrictions in place - Traffic light and flowing well
Nearest town: 7.64 miles from Welsh Harp.
Stoke Newington High Street (Both Directions) at the junction of Stoke Newington Church Street.
Traffic lights are working.
Traffic signals are on and working.
Traffic is moving well.
Nearest town: 7.76 miles from Welsh Harp.
Southgate Circus junction with Chase Side(All Directions) There is a collision at this location.
Traffic is flowing well.
Nearest town: 7.44 miles from Welsh Harp.
Notting Hill Gate (Westbound) at the junction of Campden Hill Road.
Road closure following a collision.
Notting Hill Gate westbound has reopened following the earlier road trafic collision.
Traffic is flowing well in the area.
Nearest town: 4.29 miles from Welsh Harp.
Grosvenor Gardens (All Directions) at the junction of Hobart Place one lane closed northbound and one lane closed eastbound on Hobart Place for works by Thames Water.
All lane restrictions have now been removed on Grosvenor Gardens and Hobart Place.
Traffic flows have returned to normal in the area.
Nearest town: 6.33 miles from Welsh Harp.
Park Lane (Southbound) at the junction of Hyde Park Corner - Congestion on approach.
Congestion has cleared.
Nearest town: 5.95 miles from Welsh Harp.
Great Dover Street (Southbound) at the junction of Silvester Street - Lane one width restriction to facilitate a new supply scheme by UK Power Networks.
Times: Monday to Friday 08:00 - 17:00, Saturday 09:00 - 13:00, Sunday 10:00 - 13:00 Bus lane restriction in place.
Traffic is moving well on approach.
Nearest town: 8.14 miles from Welsh Harp.
Strand (Eastbound) at the junction of Burleigh Street Contractors have attended to manhole.
Restrictions have been removed.
Nearest town: 6.77 miles from Welsh Harp.
High Holborn (All Directions) at the junction of Endell Street - The traffic lights are not working.
Signals have been restored.
Nearest town: 6.34 miles from Welsh Harp.
The road will be closed northbound with a contra flow in operation.
City Road is open in both directions - Traffic is light and flowing well
Nearest town: 7.74 miles from Welsh Harp.
Archway Road (All Directions) at the junction of Tollhouse Way - Signal upgrade works.
Expect delays when restrictions in operation.
Works are currently confined to the footways and central reservations.
Nearest town: 5.22 miles from Welsh Harp.
Stamford Hill (All Directions) at the junction of Clapton Common - The traffic signals at this junction are out of order.
Trafic is back to normal
Nearest town: 7.94 miles from Welsh Harp.
On Tolworth Broadway (Southbound) at the junction with A3 Tolworth Roundabout, there is a broken down vehicle blocking lane two of three).
Approach with caution.
All lanes have reopened.
Traffic is flowing well.
Nearest town: 12.53 miles from Welsh Harp.
A501 Marylebone Road (Both Directions) between Lisson Grove and Seymour Place - All lanes are currently open on Marylebone Road - Traffic is flowing well.
No restrictions currently in place.
Nearest town: 4.78 miles from Welsh Harp.
Goodge Street at the junction of Tottenham Court Road - Lane one (of two) is closed due to a burst water main No visible lane restrictions in place.
Nearest town: 5.91 miles from Welsh Harp.
Essex Road at the junction with Cross Street - Restrictions in place to facilitate urgent water works All works now complete and restrictions now removed.
Nearest town: 6.91 miles from Welsh Harp.
Hampstead Road (Southbound) at the junction of William Road - Burst water main at this location has now bee repaired.
Southbound bus lane is now open.
Traffic is free flowing in the area.
Nearest town: 5.56 miles from Welsh Harp.
Wellington Road (Northbound) at the junction of Grove End Road - The traffic signals have been damaged.
Police are partially blocking the junction for safety reasons.
No restrictions in place.
Nearest town: 3.93 miles from Welsh Harp.
High Street Harlesden (All Directions) at the junction of Wendover Road - Faulty traffic signals The traffic signals have been repaired.
Nearest town: 1.72 miles from Welsh Harp.
Gunnersbury Avenue (North Circular Road) (Southbound) at the junction of Power Road - Collision vehicles have now been cleared.
Traffic flowing well in the area.
Nearest town: 4.75 miles from Welsh Harp.
Victoria Street (Westbound) between Artillery Row and Bressenden Place.
There will be a westbound closure to facilitate drainage works.
Nearest town: 6.65 miles from Welsh Harp.
Middleton Road (Both Directions) between Bishopsford Road and St Helier Avenue - road closure to facilitate carriageway resurfacing.
Local diversion in place.
Nearest town: 12.21 miles from Welsh Harp.
Trinity Road (Both Directions) at the junction of Eatonville Road - Temporary traffic signals will be in place to facilitate water works.
Nearest town: 9.29 miles from Welsh Harp.
Purley Way (Northbound) between Whitestone Way and Commerce Way - Lane restrictions to facilitate carriageway chamber access works for new connections.
(Night works only)
Nearest town: 14.17 miles from Welsh Harp.
Tooley Street (Both Directions) at the junction of Stainer Street - Temporary signals in operation to facilitate works by Colt.
Nearest town: 8.27 miles from Welsh Harp.
Lampton Road (Both Directions) at the junction of Alexandra Road - Temporary signals in operation to facilitate resurfacing works.
Nearest town: 7.65 miles from Welsh Harp.
Nightingale Lane (Both Directions) between Bolingbroke Grove and Balham Hill - road closed to facilitate carriageway resurfacing.
Expect delays on approach.
Nearest town: 8.68 miles from Welsh Harp.
Battersea Rise (Eastbound) at the junction of St John's Road - Lane one closure in place to remove and build a bus shelter.
Nearest town: 7.78 miles from Welsh Harp.
Oxford Street (Eastbound) at the junction of Marble Arch - lane closure to facilitate bus shelter maintenance.
Nearest town: 5.26 miles from Welsh Harp.
Balham Station Road (Both Directions) between Bedford Hill and Balham High Road - Road closed to facilitate carriageway resurfacing.
Use other routes.
Nearest town: 9.35 miles from Welsh Harp.
Oxford Street junction with Davies Street - Single alternate lane traffic controlled by STOP / GO boards or temporary traffic signals to facilitate works Works take place overnight between 2200-0600hrs.
Delays possible between these times.
Nearest town: 5.56 miles from Welsh Harp.
Charterhouse Street (Both Directions) between St John Street and East Poultry Avenue - full closure due to crane operation on weekends only.
Drivers are advised to use an alternative route when closures are in place.
Road remains open at present.
Nearest town: 7.14 miles from Welsh Harp.
Euston Road (Westbound) at the junction of Argyle Street - Lane one closed overnight to facilitate subway works.
Nearest town: 6.03 miles from Welsh Harp.
Euston Road (Eastbound) at the junction of Crestfield Street - Lane one closed overnight outside Kings Cross station to facilitate pavement works.
Nearest town: 6.06 miles from Welsh Harp.
Heston Road (All Directions) at the junction of Wheatlands - Temporary signals in operation to facilitate resurfacing works.
Expect some delays while the restrictions are in place.
Nearest town: 7.06 miles from Welsh Harp.
Purley Way (Northbound) between Whitestone Way and Commerce Way - Lane closure for BT works.
Nearest town: 14.11 miles from Welsh Harp.
Seven Sisters Road (Both Directions) at the junction of A10 Tottenham High Road- The road will be closed overnight to facilitate works.
Nearest town: 8.03 miles from Welsh Harp.
Kymberley Road (One Way System) between Headstone Road and College Road - Road closure to facilitate resurfacing works
Nearest town: 3.8 miles from Welsh Harp.
Greyhound Lane (Both Directions) at the junction of Streatham High Road - 2 way temporary traffic signals in operation to facilitate carriageway resurfacing.
Nearest town: 10.98 miles from Welsh Harp.
Victoria Street (Westbound) between Bressenden Place and Artillery Row - closed to facilitate drainage works.
Nearest town: 6.57 miles from Welsh Harp.
Hammersmith Flyover - lane 2 will be closed in both directions overnight for inspection works.
Nearest town: 4.97 miles from Welsh Harp.
New Fetter Lane (All Directions) between Holborn Viaduct and Roundabout Bartlett Court - closed for crane operation.
Nearest town: 7.02 miles from Welsh Harp.
Broad Lane (Northbound) there will be no right turn into High Road due to works in the area.
Nearest town: 8.07 miles from Welsh Harp.
Nine Elms Lane (Eastbound) at the junction of St George's Wharf - Lane one closed to facilitate the removal of hoarding.
Nearest town: 7.61 miles from Welsh Harp.
Warwick Road (Northbound) at the junction of Kensington High Street - Lane 1 closure for water works
Nearest town: 4.89 miles from Welsh Harp.
Gracechurch Street (Southbound) at the junction of Bell Inn Yard - lane restrictions due to water works
Nearest town: 8.05 miles from Welsh Harp.
King William Street (All Directions) at the junction of Clements Lane - Stop/Go board in operation to facilitate a crane operation.
Nearest town: 7.99 miles from Welsh Harp.
Lavender Hill (All Directions) at the junction of Falcon Road - Four-way temporary signals in operation to facilitate gully repairs.
Nearest town: 7.74 miles from Welsh Harp.
Location: westbound between junctions J2 (N.Circular) and J3 (Heathrow) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.12 miles from Welsh Harp.
Location: northbound at junction J8 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 14.9 miles from Welsh Harp.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 13.76 miles from Welsh Harp.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 12.64 miles from Welsh Harp.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 12.64 miles from Welsh Harp.
Location: clockwise exit slip at junction J21 (M1) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 12.22 miles from Welsh Harp.
Location: anticlockwise exit slip at junction J21 (M1) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 11.86 miles from Welsh Harp.
Location: clockwise at junction J21A (Watword) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 12.22 miles from Welsh Harp.
Location: clockwise between junctions J20 (Hemel Hstead) and J21 (M1) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 12.77 miles from Welsh Harp.
Location: clockwise at junction J21A (Watword) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.18 miles from Welsh Harp.
Location: northbound between junctions J6 (Watford A405) and J6A (St Albans) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 12.35 miles from Welsh Harp.
Location: northbound entry slip at junction J6A (St Albans) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 12.33 miles from Welsh Harp.
Location: northbound between junctions J6 (Watford A405) and J6A (St Albans) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 12.37 miles from Welsh Harp.
Location: anticlockwise between junctions J24 (Potters Bar) and J23 (Hatfield) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 9.06 miles from Welsh Harp.
Location: anticlockwise between junctions J24 (Potters Bar) and J23 (Hatfield) .
Lane Closures : Lane one will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 9 miles from Welsh Harp.
Location: anticlockwise between junctions J24 (Potters Bar) and J23 (Hatfield) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 9.45 miles from Welsh Harp.
Location: clockwise between junctions J23 (Hatfield) and J24 (Potters Bar) .
Lane Closures : Lane four is closed.
Due to: Horticultural works.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 8.79 miles from Welsh Harp.
Location: anticlockwise exit slip at junction J24 (Potters Bar) .
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.66 miles from Welsh Harp.
Location: clockwise between junctions J23 (Hatfield) and J24 (Potters Bar) .
Lane Closures : Lane four is closed.
Due to: Horticultural works.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 8.79 miles from Welsh Harp.
Location: clockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 9 miles from Welsh Harp.
Location: anticlockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 8.73 miles from Welsh Harp.
Location: anticlockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.73 miles from Welsh Harp.
Location: The A1M southbound exit slip at junction J1 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.09 miles from Welsh Harp.
Location: anticlockwise between junctions J25 (Enfield) and J24 (Potters Bar) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 9.92 miles from Welsh Harp.
Location: clockwise between junctions J21A (Watword) and J22 (St Albans) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 11.68 miles from Welsh Harp.
Location: clockwise between junctions J21A (Watword) and J22 (St Albans) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.68 miles from Welsh Harp.
Location: eastbound between junctions J3 (Heathrow) and J2 (N.Circular) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.32 miles from Welsh Harp.
Location: eastbound entry slip at junction J3 (Heathrow) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.08 miles from Welsh Harp.
Location: southbound between the junctions with the M25 and the A5135 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.37 miles from Welsh Harp.
Location: eastbound entry slip at Heston Services.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.5 miles from Welsh Harp.
Location: eastbound exit slip at Heston Services.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.68 miles from Welsh Harp.
Location: eastbound exit slip at junction J2 (N.Circular) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.07 miles from Welsh Harp.
Location: clockwise entry slip at junction J22 (St Albans) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 22 June 2026 to 05:30 on 23 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.94 miles from Welsh Harp.
Location: westbound between junctions J1 (Sunbury) and J2 (Gatwick M23) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.85 miles from Welsh Harp.
Location: clockwise between junctions J21A (Watword) and J22 (St Albans) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 22 June 2026 to 05:30 on 23 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.63 miles from Welsh Harp.
Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 22 June 2026 to 05:00 on 23 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.53 miles from Welsh Harp.
Location: The A1M northbound exit slip at junction J2 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 June 2026 to 19 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.26 miles from Welsh Harp.
Location: eastbound between the junctions with the M1 and the A405 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 01:00 on 7 July 2027 to 06:00 on 7 July 2027.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.85 miles from Welsh Harp.
Location: eastbound between the junctions with the M1 and the A405 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.85 miles from Welsh Harp.
Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 01:00 on 7 July 2027 to 06:00 on 7 July 2027.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.53 miles from Welsh Harp.
Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 01:00 on 9 July 2027 to 06:00 on 9 July 2027.
Lanes Closed : All lanes will be closed.
Nearest town: 12.53 miles from Welsh Harp.
Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.53 miles from Welsh Harp.
Location: clockwise entry slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.32 miles from Welsh Harp.
Location: clockwise at junction J21A (Watword) .
Lane Closures : Lane three will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.22 miles from Welsh Harp.
Location: clockwise exit slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.22 miles from Welsh Harp.
Location: clockwise at junction J21A (Watword) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.22 miles from Welsh Harp.
Location: clockwise between junctions J20 (Hemel Hstead) and J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.53 miles from Welsh Harp.
Location: northbound between junctions J1 (North Circular) and J5 (Harrow A41) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 20 June 2026 to 26 June 2026.
Nearest town: 7.35 miles from Welsh Harp.
Location: clockwise between junctions J24 (Potters Bar) and J25 (Enfield) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Road repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 11.57 miles from Welsh Harp.
Location: clockwise entry slip at junction J21A (Watword) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.8 miles from Welsh Harp.
Location: anticlockwise between junctions J22 (St Albans) and J21A (Watword) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.88 miles from Welsh Harp.
Location: anticlockwise between junctions J22 (St Albans) and J21A (Watword) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 18 June 2026 to 05:30 on 19 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.88 miles from Welsh Harp.
Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 22 June 2026 to 26 June 2026.
Nearest town: 12.35 miles from Welsh Harp.
Location: clockwise exit slip at junction J21A (Watword) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.03 miles from Welsh Harp.
Location: anticlockwise between junctions J24 (Potters Bar) and J23 (Hatfield) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 9 miles from Welsh Harp.
Location: southbound entry slip from the M25 .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.66 miles from Welsh Harp.
Location: The A1M northbound between junctions J1 and J3 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 June 2026 to 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.81 miles from Welsh Harp.
Location: southbound between junctions J4 (Edgware A41) and J1 (North Circular) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 22 June 2026 to 26 June 2026.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 29 June 2026 to 3 July 2026.
Nearest town: 5.48 miles from Welsh Harp.
Location: anticlockwise exit slip at junction J22 (St Albans) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.77 miles from Welsh Harp.
Location: clockwise between junctions J23 (Hatfield) and J24 (Potters Bar) .
Lane Closures : Lane four will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 June 2026 to 18 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 8.79 miles from Welsh Harp.
Location: anticlockwise exit slip at junction J24 (Potters Bar) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 05:30 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.66 miles from Welsh Harp.
Location: anticlockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.73 miles from Welsh Harp.
Location: anticlockwise between junctions J25 (Enfield) and J24 (Potters Bar) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 05:30 on 20 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.47 miles from Welsh Harp.
Location: clockwise between junctions J21A (Watword) and J22 (St Albans) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.68 miles from Welsh Harp.
Location: anticlockwise between junctions J23 (Hatfield) and J22 (St Albans) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.73 miles from Welsh Harp.
Location: anticlockwise entry slip at junction J23 (Hatfield) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.79 miles from Welsh Harp.
National Highways England
Transport for London (TFL)
Traffic Wales
Traffic Scotland
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