Impaired driving charges have been laid by Saskatoon police after a rollover snared traffic on Circle Drive over Monday’s lunch hour.Police say they were called to the area of Circle Drive and Warman Road around 12:20 p.m. where they found a Honda Civic had flipped on its roof.Eastbound traffic was backed up for nearly an hour while crews cleared the car and debris.No one was injured in the collision, but the 19-year-old woman driving the vehicle was allegedly impaired.She’s been charged with impaired driving and is scheduled to appear in court at a later date.