Police are appealing for information after reports of objects being thrown onto the A737 from footpaths and cycling bridges in Johnstone and Linwood.
The incidents were reported on 1st June 2026 and involved objects being thrown onto the carriageway from bridges crossing the A737.
Officers are asking anyone who was driving on the A737 that day and has dashcam footage, or anyone with information that could help their enquiries, to come forward.
Anyone who can assist is asked to contact Police Scotland by calling 101, or contact Crimestoppers, quoting incident reference PS-20260607-2821.