Overturned Vehicle Location : The M40 southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Reason : Accident involving an overturned vehicle.
Status : Currently Active.
Time To Clear : The event is expected to clear between 11:45 and 12:00 on 20/03/2026.
Return To Normal : Normal traffic conditions are expected between 12:15 and 12:30 on 20/03/2026.
Lanes Closed : All lanes are closed. 
Overturned Vehicle Location : The M40 southbound entry slip at junction J4 (High Wycombe) .
Reason : Accident involving an overturned vehicle.
Status : Currently Active.
Time To Clear : The event is expected to clear between 12:00 and 12:15 on 20/03/2026.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 20/03/2026.
Lanes Closed : All lanes are closed. 
Overturned Vehicle Location : The M40 southbound entry slip at junction J3 (Loudwater) .
Reason : Accident involving an overturned vehicle.
Status : Currently Active.
Time To Clear : The event is expected to clear between 12:00 and 12:15 on 20/03/2026.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 20/03/2026.
Lanes Closed : All lanes are closed. 
Broken down vehicle Location : The M40 southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Reason : Broken down vehicle.
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 A30 eastbound at the junction with the A308 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 10:45 and 11:00 on 20/03/2026. 
Congestion Location : The M40 southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 13:00 and 13:15 on 20/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Earlier Reason : Caused by the earlier broken down vehicle. 
Congestion Location : The M4 eastbound at junction J5 (Colnbrook) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 13:00 and 13:15 on 20/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. 
Congestion Location : The M25 anticlockwise entry slip at junction J12 (Basingstoke) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 14:15 and 14:30 on 20/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Congestion Location : The M25 clockwise at junction J13 (A30) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 13:15 and 13:30 on 20/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. 
Congestion Location : The M25 clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 13:15 and 13:30 on 20/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. 
Congestion Location : The M25 clockwise at junction J14 (Heathrow Airport) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 14:00 and 14:15 on 20/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. 
Road Works Location : The M4 eastbound entry slip at junction J6 (Slough) .
Reason : Roadworks scheme.
Status : Currently Active.
Period : from 20:43 on 17/03/2026 to 06:00 on 22/03/2026.
Road Works Location : The M4 eastbound at junction J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Reason : Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20/03/2026 to 06:00 on 21/03/2026.
Lanes Closed : All lanes will be closed.
Road Works Location : The M4 eastbound between junctions J7 (Slough) and J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 are closed.
Reason : Roadworks.
Status : Currently Active.
Period : expect disruption until 06:00 on 21/03/2026.
Lanes Closed : There are three of four lanes closed.
Road Works Location : The M25 clockwise entry slip at junction J13 (A30) .
Reason : Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 20/03/2026 to 06:00 on 21/03/2026.
Lanes Closed : All lanes will be closed.
Road Works Location : The M25 clockwise between junctions J12 (Basingstoke) and J13 (A30) .
Lane Closures : Lane one will be closed.
Reason : Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 20/03/2026 to 06:00 on 21/03/2026.
Lanes Closed : There will be one of five lanes closed.
Road Works Location : The M4 eastbound entry slip at junction J12 (Reading) .
Reason : Roadworks scheme.
Status : Currently Active.
Period : from 21:05 on 19/03/2026 to 06:00 on 28/03/2026.
Road Works Location : The M4 eastbound exit slip at junction J12 (Reading) .
Reason : Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 19/03/2026 to 21/03/2026.
Lanes Closed : All lanes will be closed.
Road Works Location : The M4 eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 are closed.
Reason : Roadworks.
Status : Currently Active.
Period : expect disruption until 06:00 on 21/03/2026.
Lanes Closed : There are two of three lanes closed.
Road Works Location : The A3 southbound between the A3100 and the junction with the A322 .
Reason : Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 20/03/2026 to 06:00 on 21/03/2026.
Road Works Location : The A3 southbound between the A320 and the junction with the A322 .
Lane Closures : Lane one will be closed.
Reason : Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20/03/2026 to 06:00 on 21/03/2026.
Lanes Closed : There will be one of two lanes closed.
Road Works Location : The A3 northbound between the A247 and the junction with the M25 .
Lane Closures : Lane three will be closed.
Reason : Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 20/03/2026 to 06:00 on 21/03/2026.
Lanes Closed : There will be one of three lanes closed. 
Road Works Location : The M3 eastbound at junction J7 (Basingstoke) .
Reason : Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 20/03/2026 to 06:00 on 21/03/2026.
Road Works Location : The M4 eastbound exit slip at junction J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Reason : Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 20/03/2026 to 06:00 on 21/03/2026.
Lanes Closed : All lanes will be closed.Current Incidents
CongestionLocation : The A404 northbound at the junction with the M40 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 14:15 and 14:30 on 20/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Location:
A404, 1.57m of High Wycombe, Buckinghamshire
CongestionLocation : The M25 anticlockwise entry slip at junction J12 (Basingstoke) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 14:15 and 14:30 on 20/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Location:
M25, 1.68m of Egham, Surrey
Overturned VehicleLocation : The M40 southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Reason : Accident involving an overturned vehicle.
Status : Currently Active.
Time To Clear : The event is expected to clear between 11:45 and 12:00 on 20/03/2026.
Return To Normal : Normal traffic conditions are expected between 12:15 and 12:30 on 20/03/2026.
Lanes Closed : All lanes are closed. CLEARED @ 10:57
Location:
M40, 1.88m of High Wycombe, Buckinghamshire
Overturned VehicleLocation : The M40 southbound entry slip at junction J4 (High Wycombe) .
Reason : Accident involving an overturned vehicle.
Status : Currently Active.
Time To Clear : The event is expected to clear between 12:00 and 12:15 on 20/03/2026.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 20/03/2026.
Lanes Closed : All lanes are closed. CLEARED @ 10:57
Location:
M40, 1.41m of High Wycombe, Buckinghamshire
Overturned VehicleLocation : The M40 southbound entry slip at junction J3 (Loudwater) .
Reason : Accident involving an overturned vehicle.
Status : Currently Active.
Time To Clear : The event is expected to clear between 12:00 and 12:15 on 20/03/2026.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 20/03/2026.
Lanes Closed : All lanes are closed. CLEARED @ 10:57
Location:
M40, 2.58m of Beaconsfield, Buckinghamshire
Broken down vehicleLocation : The M40 southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Reason : Broken down vehicle.
Status : Cleared. CLEARED @ 13:03
Location:
M40, 0.58m of Beaconsfield, Buckinghamshire
CongestionLocation : The M40 southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 13:00 and 13:15 on 20/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Earlier Reason : Caused by the earlier broken down vehicle. CLEARED @ 13:03
Location:
M40, 1.31m of Beaconsfield, Buckinghamshire
CongestionLocation : The M40 southbound exit slip at junction J4 (High Wycombe) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 20/03/2026. CLEARED @ 11:15
Location:
M40, 1.5m of High Wycombe, Buckinghamshire
CongestionLocation : The M40 southbound exit slip at junction J4 (High Wycombe) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:15 and 12:30 on 20/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. CLEARED @ 12:27
Location:
M40, 1.5m of High Wycombe, Buckinghamshire
CongestionLocation : The M40 southbound exit slip at junction J4 (High Wycombe) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:45 and 13:00 on 20/03/2026. CLEARED @ 12:54
Location:
M40, 1.42m of High Wycombe, Buckinghamshire
CongestionLocation : The M4 eastbound at junction J5 (Colnbrook) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 13:00 and 13:15 on 20/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. CLEARED @ 13:12
Location:
M4, 1.85m of Slough, Slough
CongestionLocation : The M25 clockwise at junction J13 (A30) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 13:15 and 13:30 on 20/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. CLEARED @ 13:21
Location:
M25, 0.92m of Staines, Windsor and Maidenhead
CongestionLocation : The M25 clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 13:15 and 13:30 on 20/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. CLEARED @ 13:21
Location:
M25, 2.74m of Heathrow, Slough
CongestionLocation : The M25 clockwise at junction J14 (Heathrow Airport) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 14:00 and 14:15 on 20/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. CLEARED @ 13:57
Location:
M25, 2.49m of Heathrow, Surrey
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