Police closed the southbound lanes of Highway 99 near Surrey after a crash on the highway Sunday morning, officials said.

It's not clear what the cause of the crash is yet, although there are reports that a motorcycle is involved.

Police told CTV that the stretch of road, along Highway 99 from King George to 32 Avenue, could be closed for several hours.

But shortly after noon, the road was reopened and traffic is now flowing smoothly, police said.