Traffic Conditions

Knebworth, Hertfordshire

SG3 6AH
North Hertfordshire District

Incidents, road closures and roadworks affecting SG3 6AH

The essential traffic update hub for the SG3 6AH area, with real-time information on traffic incidents, road closures, accidents, and roadworks impacting your daily commute around the SG3 6AH postcode. Stay informed on all traffic developments in your area, including accident reports and road maintenance.

A1(M) Northbound

A1(M) northbound between J7 and J8 | Northbound | Road Works

Location : The A1M northbound between junctions J6 and J8. Lane Closures : Lane two is closed. Reason : Roadworks.

Status : Currently Active. Period : expect disruption until 05:00 on 26 June 2025. Lanes Closed : There is one of two lanes closed.

3.3 mi from Stevenage

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

0.7 mi from SG3 6AH

Source: Highways Agency

A1(M) Northbound

A1(M) northbound between J7 and J8 | Northbound | Road Works

Location : The A1M northbound between junctions J6 and J8. Lane Closures : Lane two will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 21:00 and 05:00 from 26 June 2025 to 28 June 2025. Lanes Closed : There will be one of two lanes closed.

2.5 mi from Stevenage

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

1.4 mi from SG3 6AH

Source: Highways Agency

A1(M) Southbound

A1(M) southbound between J7 and J6 | Southbound | Road Works

Location : The A1M southbound between junctions J7 and J6. Lane Closures : Lane two will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 21:00 and 05:00 from 7 July 2025 to 9 July 2025. Lanes Closed : There will be one of two lanes closed.

2.7 mi from Welwyn Garden City

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

2.2 mi from SG3 6AH

Source: Highways Agency

A1(M) Southbound

A1(M) southbound within J6 | Southbound | Road Works

Location : The A1M southbound between junctions J7 and J6. Lane Closures : Lanes 2 and 3 will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 21:00 and 05:00 from 7 July 2025 to 9 July 2025. Lanes Closed : There will be two of three lanes closed.

2.5 mi from Welwyn Garden City

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

2.3 mi from SG3 6AH

Source: Highways Agency

A1(M) Southbound

A1(M) southbound between J7 and J6 | Southbound | Road Works

Location : The A1M southbound between junctions J8 and J6. Lane Closures : Lane two is closed. Reason : Roadworks.

Status : Currently Active. Period : expect disruption until 05:00 on 26 June 2025. Lanes Closed : There is one of two lanes closed.

1.5 mi from Stevenage

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

2.4 mi from SG3 6AH

Source: Highways Agency

A1(M) Northbound

A1(M) northbound within J8 | Northbound | Road Works

Location : The A1M northbound between junctions J7 and J8. Lane Closures : Lane two will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 21:00 and 05:00 from 30 June 2025 to 2 July 2025. Lanes Closed : There will be one of two lanes closed.

1.1 mi from Stevenage

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

2.8 mi from SG3 6AH

Source: Highways Agency

A1(M) Northbound

A1(M) northbound between J8 and J9 | Northbound | Road Works

Location : The A1M northbound between junctions J6 and J9. Reason : Roadworks scheme. Status : Currently Active.

Period : from 21:03 on 18 June 2025 to 05:00 on 9 July 2025.

1.7 mi from Welwyn Garden City

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

3.3 mi from SG3 6AH

Source: Highways Agency

A1(M) Northbound

A1(M) northbound within J6 | Northbound | Road Works

Location : The A1M northbound at junction J6. Lane Closures : Lane two will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 21:00 and 05:00 from 7 July 2025 to 9 July 2025. Lanes Closed : There will be one of two lanes closed.

1.7 mi from Welwyn Garden City

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

3.3 mi from SG3 6AH

Source: Highways Agency

A1(M) Northbound

A1(M) northbound within J8 | Northbound | Road Works

Location : The A1M northbound between junctions J7 and J8. Lane Closures : Lane two will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 21:00 and 05:00 from 2 July 2025 to 4 July 2025. Lanes Closed : There will be one of two lanes closed.

0.5 mi from Stevenage

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

3.8 mi from SG3 6AH

Source: Highways Agency

A1(M) Southbound

A1(M) southbound between J7 and J6 | Southbound | Road Works

Location : The A1M southbound between junctions J8 and J6. Lane Closures : Lane two will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 21:00 and 05:00 from 26 June 2025 to 28 June 2025. Lanes Closed : There will be one of two lanes closed.

0.5 mi from Stevenage

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

3.9 mi from SG3 6AH

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 two will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 21:00 and 05:00 from 30 June 2025 to 2 July 2025. Lanes Closed : There will be one of two lanes closed.

1.1 mi from Stevenage

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

4.8 mi from SG3 6AH

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 two will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 21:00 and 05:00 from 2 July 2025 to 4 July 2025. Lanes Closed : There will be one of two lanes closed.

1.1 mi from Stevenage

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

4.8 mi from SG3 6AH

Source: Highways Agency

A1(M) Northbound

A1(M) northbound between J8 and J9 | Northbound | Road Works

Location : The A1M northbound between junctions J8 and J9. Lane Closures : Lane two will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 21:00 and 05:00 from 30 June 2025 to 2 July 2025. Lanes Closed : There will be one of three lanes closed.

1.1 mi from Stevenage

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

4.8 mi from SG3 6AH

Source: Highways Agency

A1(M) Northbound

A1(M) northbound between J8 and J9 | Northbound | Road Works

Location : The A1M northbound between junctions J8 and J9. Lane Closures : Lanes 2 and 3 will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 21:00 and 05:00 from 2 July 2025 to 4 July 2025. Lanes Closed : There will be two of three lanes closed.

1.1 mi from Stevenage

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

4.8 mi from SG3 6AH

Source: Highways Agency

A1(M) Southbound

A1(M) southbound between J9 and J8 | Southbound | Road Works

Location : The A1M southbound between junctions J9 and J8. Lane Closures : Lane two will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 21:00 and 05:00 from 30 June 2025 to 2 July 2025. Lanes Closed : There will be one of three lanes closed.

1.2 mi from Stevenage

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

4.9 mi from SG3 6AH

Source: Highways Agency

A1(M) Northbound

A1(M) northbound between J8 and J9 | Northbound | Road Works

Location : The A1M northbound between junctions J8 and J9. Lane Closures : Lanes 2 and 3 will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : From 21:00 on 4 July 2025 to 05:00 on 5 July 2025. Lanes Closed : There will be two of three lanes closed.

1.3 mi from Stevenage

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

5 mi from SG3 6AH

Source: Highways Agency

A1(M) Southbound

A1(M) southbound between J9 and J8 | Southbound | Road Works

Location : The A1M southbound between junctions J9 and J8. Lane Closures : Lanes 2 and 3 will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 21:00 and 05:00 from 2 July 2025 to 4 July 2025. Lanes Closed : There will be two of three lanes closed.

1.6 mi from Letchworth

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

5.4 mi from SG3 6AH

Source: Highways Agency

A1(M) Northbound

A1(M) northbound between J8 and J9 | Northbound | Road Works

Location : The A1M northbound between junctions J8 and J9. Lane Closures : The hard shoulder is closed. Reason : Roadworks.

Status : Currently Active. Period : expect disruption until 12:00 on 8 December 2025.

1 mi from Letchworth

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

6 mi from SG3 6AH

Source: Highways Agency

A1(M) Southbound

A1(M) southbound between J9 and J8 | Southbound | Road Works

Location : The A1M southbound between junctions J9 and J8. Lane Closures : Lanes 2 and 3 will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : From 21:00 on 4 July 2025 to 05:00 on 5 July 2025. Lanes Closed : There will be two of three lanes closed.

0.9 mi from Letchworth

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

6.1 mi from SG3 6AH

Source: Highways Agency

A1(M) Southbound

A1(M) southbound within J6 | Southbound | Road Works

Location : The A1M southbound between junctions J9 and J6. Reason : Roadworks scheme. Status : Currently Active.

Period : from 21:03 on 18 June 2025 to 05:00 on 9 July 2025.

0.9 mi from Letchworth

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

6.1 mi from SG3 6AH

Source: Highways Agency

A1(M) Northbound

A1(M) northbound within J4 | Northbound | Road Works

Location : The A1M northbound between junctions J3 and J4. Reason : Roadworks are planned. Status : Pending.

Schedule : Expect disruption everyday between 22:00 and 05:30 from 30 June 2025 to 4 July 2025. Schedule : From 23:00 on 4 July 2025 to 05:30 on 5 July 2025. Lanes Closed : All lanes will be closed.

3.7 mi from Saint Albans

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

8.4 mi from SG3 6AH

Source: Highways Agency

A1(M) Northbound

A1(M) northbound within J3 | Northbound | Road Works

Location : The A1M northbound at junction J3. Lane Closures : Lanes 1 and 2 will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 22:00 and 05:30 from 30 June 2025 to 4 July 2025. Schedule : From 23:00 on 4 July 2025 to 05:30 on 5 July 2025.

Lanes Closed : All lanes will be closed.

3.8 mi from Saint Albans

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

8.6 mi from SG3 6AH

Source: Highways Agency

A1(M) Northbound

A1(M) northbound between J2 and J3 | Northbound | Road Works

Location : The A1M northbound between junctions J2 and J3. Lane Closures : Lane two will be closed. Reason : Roadworks are planned.

Status : Pending. Schedule : Expect disruption everyday between 22:00 and 05:30 from 30 June 2025 to 4 July 2025. Schedule : From 23:00 on 4 July 2025 to 05:30 on 5 July 2025.

Lanes Closed : There will be one of two lanes closed.

4 mi from Saint Albans

Category: Roadworks

25 Jun 2025 at 21:45

Region: Hertfordshire

8.9 mi from SG3 6AH

Source: Highways Agency