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(KTXL) — As another winter storm enters the Sierra Tuesday, chain controls have gone into effect along Interstate 80, according to the California Highway Patrol Truckee Station.

Westbound and eastbound lanes between Truckee and Nyack are under R2 chain controls and semi-trucks are under maximum restrictions.

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All trucks must stop at the Applegate chain check point before continuing eastbound, according to Caltrans. Trucks heading westbound from Nevada must stop at the Mogul chain check point before continuing into California.

R-2 chain controls are also in place along Highway 20 in both directions for the Interstate 80 junction to west of Last Chance Mine Road.

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As of 1 p.m., R-2 chain controls are in effect from Kyburz to Meyers in both directions and trucks are under minimum chain requirements.

This most recent storm is expected to see the most serious snowfall throughout Tuesday, with the most extreme and hazardous conditions developing in the afternoon, according to the National Weather Service Sacramento.

Storm Updates:

8 p.m.

Traffic is being held in both directions on Interstate 80 again due to spinouts over Donnert Summit. 

5:40 p.m.

Westbound Interstate 80 has been opened, but traffic is still being held at Colfax.

4 p.m.

Multiple spinouts have led to the closure of westbound Interstate 80 at the Nevada state and of eastbound I-80 at Colfax. There is no estimated time of reopening.