UPDATE: Crash site is now clear, but expect moderate congestion from Mt. Lehman Road.
An early-morning crash on Highway 1 in Langley is slowing morning commuters along the busy transit route.
The westbound crash occurred near 264th Street just after 6 a.m., emergency crews are on scene and the left lane is blocked.
Heavy congestion has vehicles in gridlock all the way to Mt. Lehman Road in Abbotsford.