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Story summary
- National Highways reopened the northbound M1 after a multi-vehicle crash.
- The crash closed the northbound carriageway between junction 23 (Shepshed) and junction 23A.
- National Highways announced the closure on social media at 12:40 BST.
- The lane reopened just before 13:00, according to the traffic monitoring authority.
- Drivers faced 45-minute delays and five miles of congestion on the approach.
