Wingrave Road was closed this morning for more than two hours after two cars involved in an accident ended up in a ditch.
Police were called at 8.18am and closed off the road while a Jaguar XFS and a Renault Scenic both had to be recovered. It is not known whether the cars collided with each other.
The drivers escaped without injury and Hertfordshire Highways workers were called in to grit the road.
It was later opened at 11am.