EDMONTON (CBC) - A Edmonton woman has been charged with drunk driving causing death in the aftermath of a single-vehicle collision July 7 that killed a passenger, Leduc police say.

The crash happened at about 3:05 p.m on the Queen Elizabeth II Highway at the Black Gold Drive overpass. The driver lost control, and the car left the roadway, hit a guardrail and then ran into a large sign before coming to rest in the median, police said.

The driver and passenger were taken to hospital, where William Bruce Keogh, 20, died three days later.