Accident Location : The M1 southbound at junction J8 (Hemel Hstead) .
Reason : Road traffic collision.
Status : Cleared. 
Swakeleys Roundabout - There i Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40. All lanes are open.
Congestion Location : The M4 eastbound exit slip at junction J11 (Basingstoke) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 08:00 and 08:15 on 5/12/2025. 
Congestion Location : The M1 southbound between junctions J11 (Luton) and J10 (Luton Airport) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 09:15 and 09:30 on 5/12/2025.
Delay : There are currently delays of 10 minutes against expected traffic. 
Congestion Location : The A308M westbound between the junctions with the A308 and the M4 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 08:00 and 08:15 on 5/12/2025. 
Congestion Location : The A404 northbound at the junction with the M40 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 08:15 and 08:30 on 5/12/2025.
Delay : There are currently delays of 10 minutes against expected traffic. 
Congestion Location : The M25 anticlockwise exit slip at junction J21A (Watword) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 09:00 and 09:15 on 5/12/2025.
Delay : There are currently delays of 10 minutes against expected traffic. 
Congestion Location : The A405 southbound between the junctions with the M25 and the M1 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 09:15 and 09:30 on 5/12/2025. 
Congestion Location : The M1 southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 10:30 and 10:45 on 5/12/2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Earlier Reason : Caused by an earlier accident. 
Congestion Location : The M25 anticlockwise exit slip at junction J20 (Hemel Hstead) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 10:45 and 11:00 on 5/12/2025.
Delay : There are currently delays of 10 minutes against expected traffic. 
Road Works Location : The M4 eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Reason : Roadworks scheme.
Status : Currently Active.
Period : from 20:04 on 26/11/2025 to 06:00 on 12/12/2025.
Road Works Location : The M40 northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : The hard shoulder is closed.
Reason : Horticultural works.
Status : Currently Active.
Period : expect disruption until 23:59 on 5/12/2025. 
Road Works Location : The M40 northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Reason : Horticultural works.
Status : Currently Active.
Period : expect disruption until 23:59 on 10/12/2025.
Road Works Location : The M40 northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : The hard shoulder is closed.
Reason : Horticultural works.
Status : Currently Active.
Period : expect disruption until 23:59 on 10/12/2025.
Road Works Location : The M4 westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Reason : Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5/12/2025 to 06:00 on 6/12/2025.
Lanes Closed : There will be two of four lanes closed.
Road Works Location : The M25 clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Reason : Road marking works are planned.
Status : Pending.
Schedule : From 23:00 on 5/12/2025 to 05:30 on 6/12/2025.
Lanes Closed : There will be three of four lanes closed.
Road Works Location : The A404 northbound between the junctions with the A4155 and the M40 .
Lane Closures : Lane one will be closed.
Reason : Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 5/12/2025 to 06:00 on 6/12/2025.
Lanes Closed : There will be one of two lanes closed. 
Road Works Location : The M25 clockwise between junctions J18 (Rickmansworth) and J19 (Watford) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Reason : Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 5/12/2025 to 06:00 on 6/12/2025.
Lanes Closed : There will be three of four lanes closed.
Road Works Location : The M25 anticlockwise at junction J16 (M40) .
Lane Closures : Lanes 2 and 3 will be closed.
Reason : Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 5/12/2025 to 06:00 on 6/12/2025.
Lanes Closed : There will be two of three lanes closed.
Road Works Location : The M25 clockwise at junction J16 (M40) .
Lane Closures : Lane three will be closed.
Reason : Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 5/12/2025 to 06:00 on 6/12/2025.
Lanes Closed : There will be one of three lanes closed.
Road Works Location : The M25 clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lanes 3 and 4 will be closed.
Reason : Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 5/12/2025 to 06:00 on 6/12/2025.
Lanes Closed : There will be two of four lanes closed.
Road Works Location : The M40 southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Reason : Horticultural works.
Status : Currently Active.
Period : expect disruption until 23:59 on 12/12/2025.
Road Works Location : The M40 northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Reason : Horticultural works.
Status : Currently Active.
Period : expect disruption until 23:59 on 8/12/2025.
Road Works Location : The M4 westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Reason : Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 8/12/2025 to 06:00 on 18/12/2025.
Road Works Location : The M4 westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Reason : Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 8/12/2025 to 06:00 on 13/12/2025.
Road Works Location : The M4 eastbound between junctions J13 (Newbury) and J12 (Reading) .
Reason : Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 8/12/2025 to 06:00 on 13/12/2025.
Road Works Location : The M1 northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Reason : Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 17/12/2025 to 05:00 on 18/12/2025.
Lanes Closed : There will be three of four lanes closed.
Road Works Location : The M4 westbound at junction J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Reason : Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 8/12/2025 to 06:00 on 9/12/2025.
Schedule : From 20:00 on 17/12/2025 to 06:00 on 18/12/2025.
Lanes Closed : There will be two of three lanes closed.Current Incidents
CongestionLocation : The M1 northbound at junction J8 (Hemel Hstead) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:45 and 12:00 on 5/12/2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Location:
M1, 3.6m of Hemel Hempstead, Hertfordshire
AccidentLocation : The M1 southbound at junction J8 (Hemel Hstead) .
Reason : Road traffic collision.
Status : Cleared. CLEARED @ 10:12
Location:
M1, 2.37m of Hemel Hempstead, Hertfordshire
CongestionLocation : The M1 southbound between junctions J11 (Luton) and J10 (Luton Airport) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 09:15 and 09:30 on 5/12/2025.
Delay : There are currently delays of 10 minutes against expected traffic. CLEARED @ 09:10
Location:
M1, 3.81m of Hemel Hempstead, Hertfordshire
CongestionLocation : The A308M westbound between the junctions with the A308 and the M4 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 08:00 and 08:15 on 5/12/2025. CLEARED @ 08:06
Location:
A308(M), 0.85m of Bray, Windsor and Maidenhead
CongestionLocation : The A404 northbound at the junction with the M40 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 08:15 and 08:30 on 5/12/2025.
Delay : There are currently delays of 10 minutes against expected traffic. CLEARED @ 08:25
Location:
A404, 1.57m of High Wycombe, Buckinghamshire
CongestionLocation : The A308M westbound between the junctions with the A308 and the M4 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 08:30 and 08:45 on 5/12/2025.
Delay : There are currently delays of 10 minutes against expected traffic. CLEARED @ 08:33
Location:
A308(M), 0.85m of Bray, Windsor and Maidenhead
CongestionLocation : The M25 anticlockwise exit slip at junction J21A (Watword) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 09:00 and 09:15 on 5/12/2025.
Delay : There are currently delays of 10 minutes against expected traffic. CLEARED @ 09:10
Location:
M25, 2.92m of Saint Albans, Hertfordshire
CongestionLocation : The A405 southbound between the junctions with the M25 and the M1 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 09:15 and 09:30 on 5/12/2025. CLEARED @ 09:19
Location:
A405, 3.23m of Watford, Hertfordshire
CongestionLocation : The M1 southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 10:30 and 10:45 on 5/12/2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Earlier Reason : Caused by an earlier accident. CLEARED @ 10:13
Location:
M1, 2.21m of Hemel Hempstead, Hertfordshire
CongestionLocation : The A404 southbound entry slip from the M40 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 09:45 and 10:00 on 5/12/2025. CLEARED @ 09:46
Location:
A404, 1.48m of High Wycombe, Buckinghamshire
CongestionLocation : The M25 anticlockwise exit slip at junction J20 (Hemel Hstead) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 10:45 and 11:00 on 5/12/2025.
Delay : There are currently delays of 10 minutes against expected traffic. CLEARED @ 10:57
Location:
M25, 3m of Watford, Hertfordshire
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