The A1(M) southbound was closed for more than an hour this morning following an incident regarding welfare concerns.
Herts police were called at 9.48am to reports of concern for the welfare of a woman on the A1(M) near the Hatfield Tunnel.
Officers attended the scene and closed the road while the incident was dealt with.
The road has now re-opened.
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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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