Police say one male driver is in custody after a single-car collision in Summerhill this morning.

It happened shortly after 3:30 a.m. in the area of Yonge and Roxborough streets.

The driver of the vehicle struck a light pole in the area and police say he may have been impaired at the time of the crash. He was arrested at the scene.

No injuries were reported.

Police say the collision appears to be affecting traffic signals in the area and crews are working to repair the issue.