A two-vehicle crash took down a traffic light post at the intersection of Fischer-Hallman and Highland roads in Kitchener on Wednesday evening.
The crash happened during rush hour just after 6 p.m.
Southbound lanes on Fischer-Hallman were still closed to traffic hours later on Wednesday light as crews cleaned up the scene and continued to investigate.
Police say three people were transported to hospital with unknown injuries.
The investigation into the collision is ongoing.
Source: Waterloo Region Record