There is slow traffic on the M1 southbound at J9, A5 (Redbourn) after an earlier accident.
All lanes have now reopened and traffic is moving at around 40mph. Between J10 and J8 there are delays of around 15 minutes.
There is congestion to J10, M1 (Luton Airport Spur Road). Normal traffic is expected from 8.30am.
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