No estimate when it might reopen

Interstate 5 over the Grapevine is closed.
The California Highway Patrol shut the roadway down after snow covered all lanes of the freeway  about 1:30 p.m.
Southbound traffic is being halted at Grapevine Road and northbound traffic is being halted at Smokey Bear Road on the Los Angeles side of the summit.
There is no estimate when the roadway might reopen.
 Check for updates.