Traffic Siston

Description: M48 : Both directions : Severn Bridge : 7.5t weight restriction for heavy goods vehicles from 27/05/25-until further notice, Start time: 27/05/2025 0:00 , Expected end time: 23/05/2026 23:55, Severity: Moderate, Source: Welsh Government, Last updated: 03/06/2025 12:42
Nearest town: 11.55 miles from Siston.

Location: southbound between the junctions with the A4 and the A366 .

Due to: Congestion.



Normal traffic conditions are expected between 17:00 and 17:15 on 3 June 2025.

Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 9.97 miles from Siston.

Location: northbound at junction J1 (Filton) .

Due to: Congestion.



Normal traffic conditions are expected between 17:00 and 17:15 on 3 June 2025.

Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 3.58 miles from Siston.

Location: northbound exit slip at junction J18A (South Wales) .

Due to: Roadworks.



Period : from 20:50 on 3 June 2025 to 06:00 on 4 June 2025.

Lanes Closed : All lanes are closed.
Nearest town: 9.2 miles from Siston.

Location: southbound between the M4 and the junction with the A420 .

Due to: Horticultural works are planned.

Status : Pending.

Schedule : From 22:00 on 3 June 2025 to 06:00 on 4 June 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 5.22 miles from Siston.

Location: northbound between the A420 and the junction with the M4 .

Due to: Horticultural works are planned.

Status : Pending.

Schedule : From 22:00 on 3 June 2025 to 06:00 on 4 June 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 4.22 miles from Siston.

Location: northbound between the junctions with the M5 and the M4 .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 22:00 on 3 June 2025 to 06:00 on 4 June 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 9.17 miles from Siston.

Location: southbound at junction J18 (Bristol) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 3 June 2025 to 06:00 on 4 June 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 9.24 miles from Siston.

Location: northbound at junction J18A (South Wales) .

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 3 June 2025 to 06:00 on 4 June 2025.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.35 miles from Siston.

Location: northbound exit slip at junction J18A (South Wales) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 22:00 on 3 June 2025 to 06:00 on 4 June 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 9.35 miles from Siston.

Location: southbound at junction J19 (Portishead) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 3 June 2025 to 06:00 on 4 June 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.56 miles from Siston.

Location: southbound between junctions J18 (Bristol) and J19 (Portishead) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 3 June 2025 to 06:00 on 4 June 2025.

Lanes Closed : There will be two of four lanes closed.
Nearest town: 9.45 miles from Siston.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 3 June 2025 to 06:00 on 4 June 2025.

Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.31 miles from Siston.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 3 June 2025 to 06:00 on 4 June 2025.

Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.69 miles from Siston.

Location: northbound between the junctions with the A366 and the A4 .

Due to: Roadworks.



Period : expect disruption until 06:00 on 27 September 2025.
Nearest town: 10.53 miles from Siston.

Location: southbound between the junctions with the A4 and the A366 .

Due to: Roadworks.



Period : expect disruption until 06:00 on 27 September 2025.
Nearest town: 10.21 miles from Siston.

Location: northbound between the junctions with the A420 and the M4 .

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 4 June 2025 to 06:00 on 5 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 5.05 miles from Siston.

Location: northbound between the junctions with the A420 and the M4 .

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 4 June 2025 to 06:00 on 5 June 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 5.05 miles from Siston.

Location: southbound between junctions J17 (Bristol West) and J18 (Bristol) .

Lane Closures : Lane one will be closed.

Due to: Barrier repairs are planned.

Status : Pending.

Schedule : From 21:00 on 9 June 2025 to 06:00 on 10 June 2025.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 8.76 miles from Siston.

Location: westbound between the M4 and junction J1 (Avonmouth) .

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 9 June 2025 to 06:00 on 10 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.56 miles from Siston.

Location: northbound between junctions J14 (Dursley) and J13 (Stroud) .

Due to: Roadworks scheme is planned.

Status : Pending.

Schedule : From 20:00 on 9 June 2025 to 06:00 on 10 June 2025.
Nearest town: 19.62 miles from Siston.

Location: northbound between junctions J14 (Dursley) and J13 (Stroud) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 9 June 2025 to 06:00 on 10 June 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.62 miles from Siston.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 9 June 2025 to 06:00 on 10 June 2025.

Schedule : Expect disruption everyday between 20:00 and 06:00 from 11 June 2025 to 13 June 2025.

Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.24 miles from Siston.

Location: northbound exit slip at junction J1 (Filton) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 June 2025 to 12 June 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 3.52 miles from Siston.

Location: southbound entry slip at junction J19 (Portishead) .

Due to: Roadworks scheme is planned.

Status : Pending.

Schedule : From 20:00 on 9 June 2025 to 06:00 on 10 June 2025.
Nearest town: 10.78 miles from Siston.

Location: southbound entry slip at junction J19 (Portishead) .

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 9 June 2025 to 06:00 on 10 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.78 miles from Siston.

Location: southbound exit slip at junction J19 (Portishead) .

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 9 June 2025 to 06:00 on 10 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.56 miles from Siston.

Location: southbound between the junctions with the A420 and the A4 .

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 08:00 on 9 June 2025 to 18:00 on 27 June 2025.
Nearest town: 4.32 miles from Siston.

Location: northbound between the junctions with the A4 and the A420 .

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 08:00 on 9 June 2025 to 18:00 on 27 June 2025.
Nearest town: 4.33 miles from Siston.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 07:00 on 9 June 2025 to 18:00 on 9 June 2025.
Nearest town: 9.34 miles from Siston.

Location: westbound exit slip at junction J1 (Avonmouth) .

Lane Closures : Lane two will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 7 June 2025 to 06:00 on 8 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.91 miles from Siston.

Location: southbound at the junction with the A4 .

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 6 June 2025 to 06:00 on 7 June 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 7.35 miles from Siston.

Location: eastbound between the A46 and the junction with the A363 .

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 6 June 2025 to 06:00 on 7 June 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 7.48 miles from Siston.

Location: southbound between the junctions with the A420 and the A4 .

Lane Closures : Lane two will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 6 June 2025 to 06:00 on 7 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.11 miles from Siston.

Location: northbound between junctions J2 (Stapleton) and J1 (Filton) .

Lane Closures : Lane two will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 6 June 2025 to 06:00 on 7 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 3.61 miles from Siston.

Location: northbound entry slip at junction J16 (Thornbury) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 22:00 on 5 June 2025 to 06:00 on 6 June 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 6.88 miles from Siston.

Location: northbound between junctions J17 (Bristol West) and J16 (Thornbury) .

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 5 June 2025 to 06:00 on 6 June 2025.
Nearest town: 6.96 miles from Siston.

Location: The junction of the M5 J18 (Bristol) and the A4 .

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 5 June 2025 to 06:00 on 6 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.07 miles from Siston.

Location: northbound exit slip at junction J16 (Thornbury) .

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 5 June 2025 to 06:00 on 6 June 2025.
Nearest town: 6.92 miles from Siston.

Location: northbound at junction J18A (South Wales) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 5 June 2025 to 06:00 on 6 June 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 9.35 miles from Siston.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 5 June 2025 to 06:00 on 6 June 2025.

Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.31 miles from Siston.

Location: southbound between the junctions with the M4 and the M5 .

Lane Closures : Lane two will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 4 June 2025 to 06:00 on 5 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.1 miles from Siston.

Location: southbound exit slip at junction J18 (Bristol) .

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 4 June 2025 to 06:00 on 5 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.93 miles from Siston.

Location: The junction of the M5 J18 (Bristol) and the M49 .

Lane Closures : Lane two will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 4 June 2025 to 06:00 on 5 June 2025.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.09 miles from Siston.

Location: southbound exit slip at junction J18 (Bristol) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 22:00 on 4 June 2025 to 06:00 on 5 June 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 9.26 miles from Siston.

Location: southbound between junctions J17 (Bristol West) and J18 (Bristol) .

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 4 June 2025 to 06:00 on 5 June 2025.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 8.82 miles from Siston.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 4 June 2025 to 06:00 on 5 June 2025.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.03 miles from Siston.

Location: eastbound at junction J20 (Bristol) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 4 June 2025 to 06:00 on 5 June 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 6.93 miles from Siston.

Location: eastbound between junctions J22 (Avonmouth) and J20 (Bristol) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 4 June 2025 to 06:00 on 5 June 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.75 miles from Siston.

Location: southbound entry slip at junction J15 (Almondsbury) from M4 eastbound.

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 22:00 on 4 June 2025 to 06:00 on 5 June 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 6.79 miles from Siston.

Location: eastbound exit slip at junction J20 (Bristol) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 22:00 on 4 June 2025 to 06:00 on 5 June 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 6.93 miles from Siston.

Location: westbound exit slip at junction J17 (Chippenham) .

Lane Closures : The hard shoulder and lane 1 are closed.

Due to: Roadworks.



Period : expect disruption until 06:00 on 4 June 2025.

Lanes Closed : There is one of two lanes closed.
Nearest town: 15.25 miles from Siston.

Location: eastbound exit slip at junction J17 (Chippenham) .

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 19:00 on 6 June 2025 to 06:00 on 7 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.89 miles from Siston.

Location: northbound at junction J2 (Stapleton) .

Lane Closures : Lane two will be closed.

Due to: Gantry construction is planned.

Status : Pending.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 3 June 2025 to 6 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 9 June 2025 to 13 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 June 2025 to 20 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 June 2025 to 27 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.35 miles from Siston.

Location: northbound between junctions J3 and J2 (Stapleton) .

Lane Closures : Lane two will be closed.

Due to: Gantry construction is planned.

Status : Pending.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 3 June 2025 to 6 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 9 June 2025 to 13 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 June 2025 to 20 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 June 2025 to 27 June 2025.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 4.75 miles from Siston.

Location: northbound at junction J3 .

Lane Closures : Lane two will be closed.

Due to: Gantry construction is planned.

Status : Pending.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 3 June 2025 to 6 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 9 June 2025 to 13 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 June 2025 to 20 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 June 2025 to 27 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.94 miles from Siston.

Location: southbound at junction J3 .

Lane Closures : Lane two will be closed.

Due to: Gantry construction is planned.

Status : Pending.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 3 June 2025 to 6 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 9 June 2025 to 13 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 June 2025 to 20 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 June 2025 to 27 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.6 miles from Siston.

Location: southbound between junctions J2 (Stapleton) and J3 .

Lane Closures : Lane two will be closed.

Due to: Gantry construction is planned.

Status : Pending.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 3 June 2025 to 6 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 9 June 2025 to 13 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 June 2025 to 20 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 June 2025 to 27 June 2025.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 4.33 miles from Siston.

Location: southbound between junctions J1 (Filton) and J2 (Stapleton) .

Lane Closures : Lane two will be closed.

Due to: Gantry construction is planned.

Status : Pending.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 3 June 2025 to 6 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 9 June 2025 to 13 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 June 2025 to 20 June 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 June 2025 to 27 June 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.04 miles from Siston.

Location: northbound at junction J20 (Nailsea) .

Lane Closures : The hard shoulder and lane 1 are closed.

Due to: Emergency Roadside Drains works.



Period : expect disruption until 04:00 on 4 June 2025.

Lanes Closed : There is one of three lanes closed.
Nearest town: 16.45 miles from Siston.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .

Lane Closures : Lane three is closed.

Due to: Roadside Drains Works.



Period : expect disruption until 06:00 on 4 June 2025.

Lanes Closed : There is one of three lanes closed.
Nearest town: 7.91 miles from Siston.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .

Lane Closures : Lane three is closed.

Due to: Roadside Drains Works.



Period : expect disruption until 06:00 on 4 June 2025.

Lanes Closed : There is one of three lanes closed.
Nearest town: 7.6 miles from Siston.