TEJON PASS (CBSLA.com) — Closures were lifted and traffic was moving near the Grapevine Saturday evening, but icy conditions still kept some drivers off the roads.

Black ice was one of many conditions keeping drivers in park.

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Caltrans has been working along the clock spreading sand on a 27-mile stretch of road from the bottom of the Grapevine to Vista Del Lago.

Jack Throckmorton and his family were stranded about 25 miles from their Pine Mountain Club home because of the icy conditions. With 30 years of traveling through the Grapevine, the family would rather spend the night in their RV than risk running into danger.

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“It’s too much ice, and we don’t have snow tires, these are RV tires,” Throckmorton said, adding he hopes the roads will be safer in the morning.

Just off the highway, some cars sit covered in ice and snow. Black ice is also making it difficult to walk around without slipping.

Many people are simply unprepared for the extreme cold.

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“I have like three pairs of pants and four shirts,” said stranded traveler Alexis Temblador. “And I’m still cold.”