A semi-truck rollover closed an exit ramp on a portion of Anthony Henday Drive Tuesday afternoon. Edmonton police said the exit ramp from the northbound highway towards westbound Yellowhead Trail, which heads toward Spruce Grove, was closed as of 2:40 p.m. Drivers were asked to seek other routes. The ramp was expected to stay closed for the rest of the afternoon. There was no word on injuries. This is a developing story.