The A9 was partially blocked on Friday after an accident near Luncarty.
The incident happened at 11.35am south of the Tullybelton turn-off and the northbound lane of the single-carriageway section was closed.
The exact nature of any injuries is unknown but it is understood that they are not serious.
Traffic Scotland said three vehicles were involved. One was a lorry.
The incident was cleared and the lane reopened shortly before 2pm.