A man has been arrested on suspicion of drink-driving after being stopped on the A140 near Mendlesham.
Suffolk police pulled over a lorry on the Ipswich-bound carriageway at around 1am on Saturday.
The stop happened just past Mendlesham, a police spokesman said.
He confirmed that a man had been detained on suspicion of driving with excess alcohol in connection with the incident.
The arrested man was taken to police custody for questioning, and he remained there as of Sunday afternoon.
Witnesses to the incident and anyone with information can call police on 101 quoting reference number 17 of Sunday, May 2.
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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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