Hertfordshire: Four-vehicle crash causes delays on major route

National Highways said the A1(M) is partially closed in Hertfordshire

There have been delays on a major road after a four-vehicle collision.

National Highways said one of the two lanes on the A1(M) northbound was closed in Hertfordshire between junction one (M25) and junction two (Hatfield) after the collision at about 07:30 BST.

The agency said recovery is "ongoing".

It asked motorists to allow extra time and said there were delays of about 30 minutes on approach to the area with about three miles of congestion.

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