There are currently delays on the A1(M) near South Mimms (Image: Archant)
Motorists are being warned of delays on the A1(M) near South Mimms following a crash.
Highways England tweeted this morning (July 21) that two lanes were closed on the northbound carriageway after an earlier crash meant extensive barrier repairs were needed.
The work, which is now complete, has caused congestion and motorists are being warned to plan ahead before using the stretch.
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