M1 northbound at Luton reopens after multi-vehicle crash
David Matthews/BBCThe northbound carriageway of the M1 has reopened nearly 24 hours after a serious crash.
The motorway between junctions 10 for Luton and 11 for Dunstable was shut in the early hours of Tuesday morning.
Bedfordshire Police said it was called at about 03:00 BST to the two-vehicle crash. Four people were taken to hospital with serious injuries.
Tweeting at 01:45 on Wednesday, National Highways said all lanes had reopened.
This followed emergency resurfacing work after the police investigation had been completed.
There were lengthy delays for motorists in the area throughout Tuesday.
Latest travel updates for the area are available from BBC Three Counties radio.
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