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 M40 southbound at junction J1 (Slough) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 08:30 and 08:45 on 19/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. 
Congestion Location : The M1 southbound exit slip at junction J14 (Milton Keynes) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 08:15 and 08:30 on 19/03/2026.
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 08:15 and 08:30 on 19/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. 
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 08:30 and 08:45 on 19/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. 
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 09:00 and 09:15 on 19/03/2026. 
Congestion Location : The M1 northbound exit slip at junction J5 (Harrow A41) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 09:30 and 09:45 on 19/03/2026. 
Road Works Location : The M25 anticlockwise exit slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Reason : Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 19/03/2026 to 05:00 on 20/03/2026.
Lanes Closed : All lanes will be closed.
Road Works Location : The M1 northbound entry slip at junction J6A (St Albans) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Reason : Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 19/03/2026 to 05:00 on 20/03/2026.
Lanes Closed : All lanes will be closed.
Road Works Location : The M1 northbound at junction J6 (Watford A405) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Reason : Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 19/03/2026 to 05:00 on 20/03/2026.
Lanes Closed : All lanes will be closed.
Road Works Location : The M1 northbound between junctions J11 (Luton) and J11A .
Lane Closures : Lanes 2 and 3 will be closed.
Reason : Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19/03/2026 to 05:00 on 20/03/2026.
Lanes Closed : There will be two of three lanes closed.
Road Works Location : The A5 southbound between the junctions with the A5183 and the M1 .
Lane Closures : Lane one will be closed.
Reason : Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19/03/2026 to 05:00 on 20/03/2026.
Lanes Closed : There will be one of two lanes closed.
Road Works Location : The M1 northbound between junctions J11A and J14 (Milton Keynes) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Reason : Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19/03/2026 to 05:00 on 20/03/2026.
Lanes Closed : All lanes will be closed.
Road Works Location : The A5 southbound between the A508 and the junction with the A509 .
Lane Closures : Lane two will be closed.
Reason : Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 19/03/2026 to 06:00 on 20/03/2026.
Lanes Closed : There will be one of two lanes closed.
Road Works Location : The A5 northbound between the A509 and the junction with the A508 .
Lane Closures : Lane two will be closed.
Reason : Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 19/03/2026 to 06:00 on 20/03/2026.
Lanes Closed : There will be one of two 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 : Roadworks.
Status : Currently Active.
Period : expect disruption until 23:59 on 19/03/2026.
Road Works Location : The M1 northbound between junctions J9 (Dunstable A5) and J10 (Luton Airport) .
Lane Closures : The hard shoulder is closed.
Reason : Roadside Equipment Maintenance.
Status : Currently Active.
Period : expect disruption until 15:30 on 19/03/2026.
Road Works Location : The M1 northbound between junctions J9 (Dunstable A5) and J10 (Luton Airport) .
Lane Closures : The hard shoulder is closed.
Reason : Roadside Equipment Maintenance.
Status : Currently Active.
Period : expect disruption until 15:30 on 19/03/2026.
Road Works Location : The A404 northbound between the A4155 and the junction with the M40 .
Lane Closures : Lane two will be closed.
Reason : Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 19/03/2026 to 06:00 on 20/03/2026.
Lanes Closed : There will be one of two lanes closed.
Road Works Location : The M40 northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Reason : Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19/03/2026 to 05:00 on 20/03/2026.
Lanes Closed : There will be two of four lanes closed.
Road Works Location : The M25 clockwise at junction J17 (Maple Cross) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Reason : Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19/03/2026 to 05:30 on 20/03/2026.
Lanes Closed : All lanes will be 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 : Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19/03/2026 to 05:30 on 20/03/2026.
Lanes Closed : There will be three of four lanes closed.
Road Works Location : The M25 anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lane one will be closed.
Reason : Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19/03/2026 to 05:00 on 20/03/2026.
Lanes Closed : There will be one of four lanes closed.
Road Works Location : The M40 southbound.
Lane Closures : Lanes 1 and 2 will be closed.
Reason : Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 19/03/2026 to 05:30 on 20/03/2026.
Lanes Closed : All lanes will be closed.
Road Works Location : The M40 southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : The hard shoulder is closed.
Reason : Barrier repairs.
Status : Currently Active.
Period : expect disruption until 15:30 on 19/03/2026.
Road Works Location : The M1 southbound exit slip at junction J12 (Flitwick) .
Reason : Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20/03/2026 to 05:00 on 21/03/2026.
Lanes Closed : All lanes will be closed.
Road Works Location : The M1 southbound exit slip at junction J13 (Milton Keynes) .
Reason : Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20/03/2026 to 05:00 on 21/03/2026.
Lanes Closed : All lanes will be closed.
Road Works Location : The M1 southbound entry slip at junction J13 (Milton Keynes) .
Reason : Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20/03/2026 to 05:00 on 21/03/2026.
Lanes Closed : All lanes will be closed.Current Incidents
CongestionLocation : The M40 southbound at junction J1 (Slough) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 08:30 and 08:45 on 19/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. CLEARED @ 08:42
Location:
M40, 1.02m of Uxbridge, Buckinghamshire
CongestionLocation : The M1 southbound exit slip at junction J14 (Milton Keynes) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 08:15 and 08:30 on 19/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. CLEARED @ 08:15
Location:
M1, 1.88m of Milton Keynes, Milton Keynes
CongestionLocation : The M25 anticlockwise exit slip at junction J21A (Watword) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 08:15 and 08:30 on 19/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. CLEARED @ 08:15
Location:
M25, 2.92m of Saint Albans, Hertfordshire
CongestionLocation : The A404 northbound at the junction with the M40 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 08:30 and 08:45 on 19/03/2026.
Delay : There are currently delays of 10 minutes against expected traffic. CLEARED @ 08:33
Location:
A404, 1.57m of High Wycombe, Buckinghamshire
CongestionLocation : The A404 northbound at the junction with the M40 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 10:15 and 10:30 on 19/03/2026. CLEARED @ 10:21
Location:
A404, 1.57m 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 09:00 and 09:15 on 19/03/2026. CLEARED @ 09:09
Location:
M25, 3m of Watford, Hertfordshire
CongestionLocation : The M1 northbound exit slip at junction J5 (Harrow A41) .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 09:30 and 09:45 on 19/03/2026. CLEARED @ 09:27
Location:
M1, 1.44m of Watford, Hertfordshire
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 09:30 and 09:45 on 19/03/2026. CLEARED @ 09:36
Location:
M40, 1.42m of High Wycombe, Buckinghamshire
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