TRUCKEE (CBS13) — With Northern California under the ‘bomb cyclone,’ feet of snow are expected in the Sierra.

Truckee is already under a blanket of fresh snow, creating dangers on the road. Caltrans closed Interstate 80 in both directions Tuesday afternoon due to multiple crashes.

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I-80 traffic is being turned at Alta and Truckee to clear the roads of collisions and keep traffic from backing up further.

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The CHP in Truckee said an ambulance on its way to a patient was hit by a reckless driver. A medic and firefighter were inside the ambulance at the time.

No injuries were reported and CHP said the collision is still under investigation.

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Remember to use extra caution when driving on the snowy roads and to pack your chains if you’re heading up to the mountains.