According to reports a tanker truck carrying about 10,000 litres of diesel fuel rolled onto its side east of the Willingdon overpass just after midnight.
The truck driver is reported to have suffered non-life threatening injuries. A second vehicle was reportedly also involved in the accident.
Hazmat crews are on the scene cleaning up the spilled fuel, but Burnaby RCMP say they do not expect Highway 1 to reopen before 8 a.m. PT.
However, some emergency officials on scene have indicated the route could partially reopen by 7 a.m. PT.
Drivers are advised to avoid the route if possible- Eastbound traffic is being detoured via Boundary Road.
- Westbound traffic is being detoured via Kensington Avenue.
Google Maps: Highway 1 and Willingdon Avenue