All lanes have reopened on the M1 near St Albans after a crash at Dunstable.
At around 1.35pm on Saturday, February 26, National Highways closed three out of four lanes on the M1 northbound due to a collision.
There were one-hour delays on the motorway with tailbacks to the M25 at Watford.
There was also congestion on the A414 between St Albans and Hemel Hempstead approaching the M1.
At 3.08pm, National Highways tweeted to say that the incident had been cleared.
A statement read: "All lanes have been reopened on the M1 northbound between junction 8 (Hemel Hempstead) and junction 9 (Dunstable) following an earlier collision."
For the most up-to-date information about the county's roads, visit our LIVE Hertfordshire traffic map.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here