UPDATE: 11.50am:

State Highway 73 near Arthur’s Pass Village has reopened following a suspected tallow spill and rain that caused a dangerous slippery surface.

People are encouraged to travel with extra care through the area.

10.30am - SH73 closed at Arthur’s Pass:

State Highway 73 between Arthur’s Pass and Otira is closed this morning due to a slippery surface causing problems for road users.

There have been reports of several trucks sliding due to a combination of rain and a substance spilled on the road suspected to be tallow.

Road users are encouraged to delay their journeys while roading crews deal with the issue.

An update will be provided when the road status changes or more information is available.