One person is injured after a semi collided with a car on W 12th St.

The accident happened just before 10:00 p.m., Wednesday.

According to the driver of the semi, he was switching lanes going east on W 12th St, and didn't see the car beside him. 

The driver of that car is being treated at UPMC-Hamot for non life-threatening injuries. The truck driver is okay.

Police had a portion of W 12th St closed off between Raspberry St and Cascade St for about half an hour.