The A507 near Baldock has been closed. (Image: Archant)
The B655 between Hitchin and Barton-le-Clay is closed in both directions after a crash at Hexton.
Herts County Council’s Highways department tweeted about the crash at 12.13pm, saying the road was “likely to remain closed for some time”.
Motorists should seek other routes.
The Comet is awaiting further details from the emergency services.
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