UPDATE (4:20p.m., Nov. 17): Fort Tejon CHP is no longer escorting Southbound I-5 on the Grapevine. Visibility has improved on the Grapevine. CHP says to still drive with caution.

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Fort Tejon CHP is currently escorting traffic Southbound of I-5 near Grapevine Road due to heavy fog.

According to Fort Tejon CHP, no accidents have been reporter at this time. 

They will continue to escort cars until fog dissipates.