One person was sent to hospital after a cement truck and pickup truck collided southwest of Tillsonburg.
The two vehicles collided at the intersection of Talbot and Eden lines in Bayham around 9:45 a.m. on Thursday. The force of the crash caused the cement truck to overturn.
Elgin OPP described the crash as a "T-Bone" collision.
The driver of the cement truck was taken to hospital with non-life-threatening injuries.
None of the four people inside the pickup were hurt, police said.
The pickup driver, a 65-year-old from Aylmer is charged with careless driving.
The crash temporarily closed Talbot Line between Culloden and Somers roads and Eden Line between Culloden and Somers roads while police investigated and the vehicles were removed. Both roads have since been reopened.
Police are asking anyone with dashcam footage from the area around the time of the crash to call them at 1-888-310-1122 or Crime Stoppers at 1-800-222-8477 (TIPS).