Police are appealing for witnesses after two lorries collided in the early hours of this morning on the A240 Kingston Road at the junction with Stoneleigh Road.
The two HGVs hit each other at about 12.28am.
Police say one driver suffered minor injuries and was taken to St Helier Hospital.
The other driver suffered serious injuries and was in a critical but stable condition at St George's Hospital Tooting.
Anyone who saw the crash or the way the drivers were driving is asked to call Surrey Police on 101.
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