A rollover crash on South Parallel Road in Abbotsford is slowing eastbound Highway 1 commuters.
The crash occurred at around 8 a.m., just below No. 3 Road. A truck has crashed into a ditch, and is causing a visual distraction for eastbound drivers.
Traffic is backed to Sumas Mountain Road (as of 8:20 a.m.).
Emergency crews are on scene.