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Traffic Conditions
Howlands, Welwyn Garden City, Hertfordshire
AL7 4HQ Welwyn Hatfield District
Incidents, road closures and roadworks affecting AL7 4HQ
The essential traffic update hub for the AL7 4HQ area, with real-time information on traffic incidents, road closures, accidents, and roadworks impacting your daily commute around the AL7 4HQ postcode. Stay informed on all traffic developments in your area, including accident reports and road maintenance.
A1(M) Southbound
A1(M) J4 southbound exit | Southbound | Road Works

Location : The A1M southbound exit slip at junction J4. Reason : Emergency barrier repairs are planned. Status : Pending.
Schedule : From 22:00 on 11 August 2025 to 05:00 on 12 August 2025. Lanes Closed : All lanes will be closed.
1.6 mi from Welwyn Garden City
Category: Roadworks
8 Aug 2025 at 23:15
Region: Hertfordshire
1.5 mi from AL7 4HQ
Source: Highways Agency
A414 Eastbound
A414 eastbound within junction with A1(M) J4 | Eastbound | Road Works

Location : The junction of the A414 and the A1M. Lane Closures : Lane one will be closed. Reason : Roadworks are planned.
Status : Pending. Schedule : From 22:00 on 12 August 2025 to 05:30 on 13 August 2025. Lanes Closed : There will be one of two lanes closed.
1.8 mi from Welwyn Garden City
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
1.5 mi from AL7 4HQ
Source: Highways Agency
A1(M) Northbound
A1(M) J4 northbound access | Northbound | Road Works

Location : The A1M northbound entry slip at junction J4. Lane Closures : Lane one will be closed. Reason : Emergency barrier repairs are planned.
Status : Pending. Schedule : From 22:00 on 14 August 2025 to 05:00 on 15 August 2025. Lanes Closed : There will be one of two lanes closed.
1.8 mi from Welwyn Garden City
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
1.5 mi from AL7 4HQ
Source: Highways Agency
A1(M) Southbound
A1(M) southbound within J4 | Southbound | Road Works

Location : The A1M southbound between junctions J6 and J4. Lane Closures : The hard shoulder, lanes 1 and 2 are closed. Reason : Barrier repairs.
Status : Currently Active. Period : expect disruption until 05:30 on 9 August 2025. Lanes Closed : There are two of three lanes closed.
1.1 mi from Welwyn Garden City
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
1.8 mi from AL7 4HQ
Source: Highways Agency
A1(M) Southbound
A1(M) southbound within J4 | Southbound | Road Works

Location : The A1M southbound between junctions J6 and J4. Lane Closures : Lanes 1 and 2 will be closed. Reason : Emergency barrier repairs are planned.
Status : Pending. Schedule : From 22:00 on 11 August 2025 to 05:00 on 12 August 2025. Lanes Closed : There will be two of three lanes closed.
1.1 mi from Welwyn Garden City
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
1.8 mi from AL7 4HQ
Source: Highways Agency
A1(M) Northbound
A1(M) northbound between J4 and J5 | Northbound | Road Works

Location : The A1M northbound between junctions J3 and J5. Lane Closures : Lane one will be closed. Reason : Emergency barrier repairs are planned.
Status : Pending. Schedule : From 22:00 on 14 August 2025 to 05:00 on 15 August 2025. Lanes Closed : There will be one of four lanes closed.
3.4 mi from Welwyn Garden City
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
2.9 mi from AL7 4HQ
Source: Highways Agency
A1(M) Northbound
A1(M) J3 northbound access | Northbound | Road Works

Location : The A1M northbound entry slip at junction J3. Lane Closures : Lane one will be closed. Reason : Emergency barrier repairs are planned.
Status : Pending. Schedule : From 22:00 on 14 August 2025 to 05:00 on 15 August 2025. Lanes Closed : There will be one of two lanes closed.
3.7 mi from Saint Albans
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
3.2 mi from AL7 4HQ
Source: Highways Agency
A1(M) Southbound
A1(M) southbound between J2 and J1 | Southbound | Road Works

Location : The A1M southbound between junctions J3 and J1. Reason : Horticultural works are planned. Status : Pending.
Schedule : From 09:30 on 13 August 2025 to 16:00 on 13 August 2025.
4.3 mi from Potters Bar
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
4.1 mi from AL7 4HQ
Source: Highways Agency
M25 Eastbound
M25 J24 clockwise access | Clockwise | Road Works

Location : The M25 clockwise entry slip at junction J24. Reason : Road repairs are planned. Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 11 August 2025 to 15 August 2025. Schedule : From 23:00 on 15 August 2025 to 06:00 on 16 August 2025. Schedule : Expect disruption everyday between 22:00 and 05:30 from 18 August 2025 to 22 August 2025.
Lanes Closed : All lanes will be closed.
0.3 mi from Potters Bar
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
6.7 mi from AL7 4HQ
Source: Highways Agency
M25 Southbound
M25 anti-clockwise between J24 and J23 | Anti-Clockwise | Road Works

Location : The M25 anticlockwise between junctions J24 and J23. Lane Closures : Lanes 1 and 2 will be closed. Reason : Emergency roadworks are planned.
Status : Pending. Schedule : From 22:00 on 14 August 2025 to 05:00 on 15 August 2025. Lanes Closed : There will be two of four lanes closed.
0.3 mi from Potters Bar
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
6.7 mi from AL7 4HQ
Source: Highways Agency
M25 Southbound
M25 clockwise within J23 | Clockwise | Road Works

Location : The M25 clockwise at junction J23. Lane Closures : Lanes 2 and 3 will be closed. Reason : Road repairs are planned.
Status : Pending. Schedule : Expect disruption everyday between 22:00 and 05:30 from 11 August 2025 to 15 August 2025. Schedule : From 23:00 on 15 August 2025 to 06:00 on 16 August 2025.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 18 August 2025 to 22 August 2025. Lanes Closed : There will be two of three lanes closed.
2.9 mi from Potters Bar
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
6.8 mi from AL7 4HQ
Source: Highways Agency
A1(M) Northbound
A1(M) J1 northbound access | Northbound | Road Works

Location : The A1M northbound entry slip at junction J1. Lane Closures : Lane two is closed. Reason : Emergency barrier repairs.
Status : Currently Active. Period : expect disruption until 05:30 on 9 August 2025. Lanes Closed : There is one of two lanes closed.
2.7 mi from Potters Bar
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
6.8 mi from AL7 4HQ
Source: Highways Agency
M25 Northbound
M25 clockwise within J25 | Clockwise | Road Works

Location : The M25 clockwise between junctions J23 and J25. Lane Closures : Lanes 1 and 2 will be closed. Reason : Road repairs are planned.
Status : Pending. Schedule : Expect disruption everyday between 22:00 and 05:30 from 11 August 2025 to 15 August 2025. Schedule : From 23:00 on 15 August 2025 to 06:00 on 16 August 2025.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 18 August 2025 to 22 August 2025. Lanes Closed : All lanes will be closed.
2.6 mi from Potters Bar
Category: Roadworks
8 Aug 2025 at 23:16
Region: Greater London Authority
6.9 mi from AL7 4HQ
Source: Highways Agency
M25 Southbound
M25 clockwise within J23 | Clockwise | Road Works

Location : The M25 clockwise at junction J23. Lane Closures : Lanes 1, 2 and 3 will be closed. Reason : Road repairs are planned.
Status : Pending. Schedule : Expect disruption everyday between 22:00 and 05:30 from 11 August 2025 to 15 August 2025. Schedule : From 23:00 on 15 August 2025 to 06:00 on 16 August 2025.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 18 August 2025 to 22 August 2025. Lanes Closed : All lanes will be closed.
2.7 mi from Potters Bar
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
6.9 mi from AL7 4HQ
Source: Highways Agency
M25 Southbound
M25 clockwise between J23 and J24 | Clockwise | Road Works

Location : The M25 clockwise between junctions J23 and J24. Lane Closures : Lane one will be closed. Reason : Emergency roadworks are planned.
Status : Pending. Schedule : Expect disruption everyday between 09:30 and 16:00 from 11 August 2025 to 15 August 2025. Schedule : Expect disruption everyday between 09:30 and 16:00 from 18 August 2025 to 21 August 2025.
Lanes Closed : There will be one of four lanes closed.
2.1 mi from Potters Bar
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
6.9 mi from AL7 4HQ
Source: Highways Agency
A1(M) Northbound
A1(M) J7 northbound exit | Northbound | Road Works

Location : The A1M northbound exit slip at junction J7. Lane Closures : Lane one will be closed. Reason : Roadworks are planned.
Status : Pending. Schedule : From 22:00 on 13 August 2025 to 05:00 on 14 August 2025. Lanes Closed : There will be one of two lanes closed.
2.2 mi from Stevenage
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
7.1 mi from AL7 4HQ
Source: Highways Agency
A1 Southbound
A1 southbound within the A5135 junction | Southbound | Road Works

Location : The A1 southbound between the M25 and the junction with the A5135. Lane Closures : Lanes 2 and 3 will be closed. Reason : Emergency barrier repairs are planned.
Status : Pending. Schedule : From 22:00 on 11 August 2025 to 05:00 on 12 August 2025. Lanes Closed : There will be two of three lanes closed.
2.2 mi from Borehamwood
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
7.7 mi from AL7 4HQ
Source: Highways Agency
A1 Northbound
A1 northbound between A5135 and M25/A1(M) | Northbound | Road Works

Location : The A1 northbound between the junctions with the A5135 and the M25. Lane Closures : Lanes 2 and 3 are closed. Reason : Emergency barrier repairs.
Status : Currently Active. Period : expect disruption until 05:30 on 9 August 2025. Lanes Closed : There are two of three lanes closed.
1.7 mi from Borehamwood
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
8.2 mi from AL7 4HQ
Source: Highways Agency
M25 Northbound
M25 anti-clockwise within J21A | Anti-Clockwise | Road Works

Location : The M25 anticlockwise between junctions J22 and J21A. Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed. Reason : Roadworks.
Status : Currently Active. Period : expect disruption until 05:00 on 9 August 2025. Lanes Closed : There are three of four lanes closed.
2.9 mi from Saint Albans
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
8.6 mi from AL7 4HQ
Source: Highways Agency
M25 Eastbound
link road from M25 J21 anti-clockwise to M1 J6A northbound | Anti-Clockwise | Road Works

Location : The M25 anticlockwise exit slip at junction J21. Reason : Roadworks. Status : Currently Active.
Period : expect disruption until 05:00 on 9 August 2025. Lanes Closed : All lanes are closed.
2.9 mi from Saint Albans
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.2 mi from AL7 4HQ
Source: Highways Agency
M25 Eastbound
M25 anti-clockwise within J21 | Anti-Clockwise | Road Works

Location : The M25 anticlockwise at junction J21. Reason : Roadworks. Status : Currently Active.
Period : expect disruption until 05:00 on 9 August 2025. Lanes Closed : All lanes are closed.
2.9 mi from Saint Albans
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.2 mi from AL7 4HQ
Source: Highways Agency
A1 Northbound
A1 northbound between A5135 and M25/A1(M) | Northbound | Road Works

Location : The A1 northbound between the A5135 and the junction with the M25. Lane Closures : Lane three will be closed. Reason : Emergency barrier repairs are planned.
Status : Pending. Schedule : From 22:00 on 11 August 2025 to 05:00 on 12 August 2025. Lanes Closed : There will be one of three lanes closed.
0.8 mi from Borehamwood
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.2 mi from AL7 4HQ
Source: Highways Agency
M25 Westbound
M25 J25 anti-clockwise exit | Anti-Clockwise | Road Works

Location : The M25 anticlockwise exit slip at junction J25. Reason : Roadworks. Status : Currently Active.
Period : expect disruption until 05:30 on 9 August 2025. Lanes Closed : All lanes are closed.
1.3 mi from Cheshunt
Category: Roadworks
8 Aug 2025 at 23:16
Region: Greater London Authority
9.3 mi from AL7 4HQ
Source: Highways Agency
M25 Eastbound
M25 J21A clockwise exit | Clockwise | Road Works

Location : The M25 clockwise exit slip at junction J21A. Reason : Roadworks are planned. Status : Pending.
Schedule : From 22:00 on 14 August 2025 to 05:00 on 15 August 2025. Lanes Closed : All lanes will be closed.
3 mi from Saint Albans
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.4 mi from AL7 4HQ
Source: Highways Agency
A1(M) Southbound
A1(M) southbound between J8 and J7 | Southbound | Road Works

Location : The A1M southbound between junctions J8 and J7. Lane Closures : Lane one will be closed. Reason : Horticultural works are planned.
Status : Pending. Schedule : From 21:00 on 13 August 2025 to 05:00 on 14 August 2025. Lanes Closed : There will be one of two lanes closed.
0.4 mi from Stevenage
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.5 mi from AL7 4HQ
Source: Highways Agency
M1 Northbound
M1 northbound within J9 | Northbound | Road Works

Location : The M1 northbound between junctions J6 and J9. Reason : Roadside equipment maintenance is planned. Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 19 August 2025 to 21 August 2025. Schedule : Expect disruption everyday between 09:30 and 15:30 from 26 August 2025 to 29 August 2025.
2.9 mi from Saint Albans
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.5 mi from AL7 4HQ
Source: Highways Agency
M1 Southbound
M1 southbound within J8 | Southbound | Road Works

Location : The M1 southbound between junctions J9 and J8. Lane Closures : Lane one will be closed. Reason : Road repairs are planned.
Status : Pending. Schedule : Expect disruption everyday between 22:00 and 05:00 from 12 August 2025 to 15 August 2025. Lanes Closed : There will be one of four lanes closed.
3.3 mi from Hemel Hempstead
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.5 mi from AL7 4HQ
Source: Highways Agency
M1 Northbound
M1 northbound between J8 and J9 | Northbound | Road Works

Location : The M1 northbound between junctions J8 and J9. Reason : Roadside equipment maintenance is planned. Status : Pending.
Schedule : From 09:30 on 15 August 2025 to 15:30 on 15 August 2025.
3.1 mi from Hemel Hempstead
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.6 mi from AL7 4HQ
Source: Highways Agency
M1 Northbound
link road from M25 J21 to M1 J6A northbound | Northbound | Road Works

Location : The M1 northbound entry slip at junction J6A. Reason : Roadworks. Status : Currently Active.
Period : expect disruption until 05:00 on 9 August 2025. Lanes Closed : All lanes are closed.
3.2 mi from Saint Albans
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.6 mi from AL7 4HQ
Source: Highways Agency
A1(M) Northbound
A1(M) northbound between J7 and J8 | Northbound | Road Works

Location : The A1M northbound between junctions J7 and J8. Lane Closures : Lane two will be closed. Reason : Road repairs are planned.
Status : Pending. Schedule : From 22:00 on 15 August 2025 to 05:00 on 16 August 2025. Lanes Closed : There will be one of two lanes closed.
0.4 mi from Stevenage
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.6 mi from AL7 4HQ
Source: Highways Agency
M1 Northbound
M1 northbound between J8 and J9 | Northbound | Road Works

Location : The M1 northbound between junctions J8 and J9. Lane Closures : Lanes 2, 3 and 4 will be closed. Reason : Roadside equipment maintenance is planned.
Status : Pending. Schedule : From 22:00 on 13 August 2025 to 05:00 on 14 August 2025. Schedule : From 22:00 on 17 September 2025 to 05:00 on 18 September 2025.
Lanes Closed : There will be three of four lanes closed.
4.1 mi from Hemel Hempstead
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.7 mi from AL7 4HQ
Source: Highways Agency
M1 Southbound
M1 J8 southbound access | Southbound | Road Works

Location : The M1 southbound entry slip at junction J8. Reason : Horticultural works are planned. Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:30 from 11 August 2025 to 15 August 2025. Schedule : Expect disruption everyday between 09:30 and 16:30 from 18 August 2025 to 19 August 2025.
2.5 mi from Hemel Hempstead
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.7 mi from AL7 4HQ
Source: Highways Agency
M1 Southbound
M1 southbound within J8 | Southbound | Road Works

Location : The M1 southbound between junctions J9 and J8. Lane Closures : Lanes 2, 3 and 4 will be closed. Reason : Road repairs are planned.
Status : Pending. Schedule : Expect disruption everyday between 22:00 and 05:00 from 15 August 2025 to 17 August 2025. Lanes Closed : There will be three of four lanes closed.
4.4 mi from Hemel Hempstead
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.7 mi from AL7 4HQ
Source: Highways Agency
M1 Northbound
M1 northbound between J8 and J9 | Northbound | Road Works

Location : The M1 northbound between junctions J8 and J9. Lane Closures : Lanes 1 and 2 will be closed. Reason : Roadside equipment maintenance is planned.
Status : Pending. Schedule : Expect disruption everyday between 22:00 and 05:00 from 18 August 2025 to 22 August 2025. Lanes Closed : There will be two of four lanes closed.
2.3 mi from Hemel Hempstead
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.8 mi from AL7 4HQ
Source: Highways Agency
A1(M) Northbound
A1(M) northbound within J9 | Northbound | Road Works

Location : The A1M northbound between junctions J8 and J9. Lane Closures : Lanes 1 and 2 will be closed. Reason : Road repairs are planned.
Status : Pending. Schedule : From 22:00 on 15 August 2025 to 05:00 on 16 August 2025. Lanes Closed : All lanes will be closed.
0.6 mi from Stevenage
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.9 mi from AL7 4HQ
Source: Highways Agency
M1 Northbound
M1 northbound within J8 | Northbound | Road Works

Location : The M1 northbound at junction J8. Reason : Horticultural works are planned. Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:30 from 11 August 2025 to 15 August 2025. Schedule : Expect disruption everyday between 09:30 and 16:30 from 18 August 2025 to 19 August 2025.
2.2 mi from Hemel Hempstead
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.9 mi from AL7 4HQ
Source: Highways Agency
M25 Westbound
M25 clockwise within J21 | Clockwise | Road Works

Location : The M25 clockwise at junction J21A. Lane Closures : Lanes 1 and 2 will be closed. Reason : Roadworks are planned.
Status : Pending. Schedule : From 22:00 on 14 August 2025 to 05:00 on 15 August 2025. Lanes Closed : There will be two of three lanes closed.
3.4 mi from Watford
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
9.9 mi from AL7 4HQ
Source: Highways Agency
M1 Northbound
M1 northbound within J9 | Northbound | Road Works

Location : The M1 northbound between junctions J8 and J9. Lane Closures : Lanes 1, 2, 3 and 4 will be closed. Reason : Roadside equipment maintenance is planned.
Status : Pending. Schedule : From 22:00 on 13 August 2025 to 05:00 on 14 August 2025. Schedule : From 22:00 on 17 September 2025 to 05:00 on 18 September 2025.
Lanes Closed : All lanes will be closed.
4.7 mi from Luton
Category: Roadworks
8 Aug 2025 at 23:16
Region: Hertfordshire
10 mi from AL7 4HQ
Source: Highways Agency