A Knebworth road has been closed in both directions after a car crash this morning.
Emergency services dealt with the collision, which involved a silver Ford C-Max Zetec on Watton Road near the Co-Op and Harwood Park Crematorium.
One man was taken to hospital after the incident at 6.45am.
Hertfordshire County Council Highways team is warning of delays and has advised drivers to avoid the area.
Gritters have been dispatched for the stretch because police noted black ice on the road.
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