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M1 Reopens After Serious Yorkshire Crash, Air Ambulance Attended
The Mirror
January 21, 2026•1 day ago

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The M1 in South Yorkshire reopened after multiple serious crashes caused extensive delays and prompted an air ambulance response. One significant collision, a single-vehicle incident near J33, led to a prolonged southbound closure. Investigators concluded their work, allowing recovery efforts to finish and traffic to resume flowing.
Good news, everyone!
Here's some good news for commuters: the M1 has now reopened.
Despite previous indicators showing that the closure would remain in place well into rush hour, investigators from South Yorkshire Police have now wrapped up at the scene. Recovery efforts have also been completed, resulting in the carriageway closure coming to an end.
The M1 southbound between J33 (Rotherham) and J32 (M18) is now open to traffic in the wake of the two J33 crashes, which occurred on the J33 slip lane and on the motorway itself.
A National Highways spokesperson shared the update in a social media post to commuters. "Traffic [is] flowing freely. Safe travels this morning," they wrote.
An earlier crash for northbound commuters between junctions J19 and J20 has now also cleared.
Roadway to reopen during rush hour with road closed all night according to National Highways
The latest update from National Highways has confirmed that the carriageway will be closed for the night.
The current estimated reopening time given by National Highways is around 8am on Wednesday, January 21 - although this may be subject to change.
Diversion route now in effect for southbound commuters
National Highways confirmed it has initiated its diversion protocols in relation to the serious crash that occurred at about 6pm. Crews were alerted to the incident just before 6.30pm, and investigators remain at the scene to figure out what led to the serious incident.
A National Highways spokesperson told the Mirror that "road users are advised to follow the solid triangle diversion symbol on road signs" in the area.
Diversion Route for M1 southbound traffic after incidents at J33
Exit M1 southbound at J33.
At the roundabout at the end of the slip take the third exit onto A630 (Sheffield Parkway).
Continue along the A630 for approx. 3 miles to the junction with the A57.
At the junction with the A57, turn left and continue along the A57 for approx. 6 miles to the junction with the M1 J31.
At the roundabout take the third exit to re-join the M1 south at J31.
M1 single vehicle crash sees air ambulance rush to scene
The most serious closure, which is expected to hamper traffic overnight and into rush hour, saw the M1 in South Yorkshire closed to southbound traffic at about 6pm on Tuesday, January 20, after a single vehicle collision between J33 (Rotherham) and J32 (M18).
All emergency services attended, including Yorkshire Air Ambulance.
South Yorkshire Police remain at the scene carrying out collision investigation work.
Three crashes for the M1 in total
Traffic has been plunged into chaos on the M1, with three crashes clogging the major roadway and causing delays for motorists.
The M1 in South Yorkshire was initially closed to southbound traffic between J33 (Rotherham) and J32 (M18) following a single vehicle collision which occurred shortly before 6pm.
A second collision at the entry slip for junction J33 saw traffic hampered further, closing a lane to already congested traffic.
To make traffic matters even worse, a third accident on the M1's northbound lanes has prompted laneway closures between junctions J19 and J20.
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