The Pima County Sheriff's Department and Northwest Fire are on the scene of a rollover accident.
According to a Northwest Fire spokesperson, an extrication had to be performed.
The accident happened at Magee and Mona Lisa.
According to the Sheriff's Department, there are injuries. The extent of those injuries is unknown at this time.
Traffic is shut down on westbound Magee from Mona Lisa to Shannon.
Motorists are asked to avoid the area.
It is unknown when the roads will reopen.