Damaged roadways continued to hinder commutes and crowd freeways connecting the San Fernando Valley with the Los Angeles basin Friday morning, as a few canyon passes remained closed.


Eastbound traffic on Mulholland Drive at Coldwater Canyon Boulevard and northbound traffic on Laurel Canyon Boulevard between Hollywood Boulevard and Kirkwood Drive were closed Friday morning. No estimates were available for when the roads would possibly reopen.


Topanga Canyon Boulevard also remained closed to through traffic, as California Department of Transportation crews removed rubble from a large boulder that had blocked both lanes. Explosives were used to clear the boulder.


"We have no estimate at this time when the road will be re-opened," said Caltrans spokeswoman Charlotte Henry. Previously, Caltrans officials had hoped Topanga would open by this morning's commute.


However, all closures on the Ventura (101) Freeway, including at the site of the deadly La Conchita mudslide, were scheduled to open around noon, Henry said. The La Conchita closure had resulted in a four-hour detour for commuters between Ventura and Santa Barbara counties.


Meanwhile, Union Pacific Corp. has resumed service throughout the Los Angeles basin on its main cargo routes, according to company spokesman John Bromley. Mudslides and floods had blocked four of the company's five main routes.


The two routes that remain closed are a predominantly passenger line north of Santa Barbara and a cargo line east of Las Vegas, Bromley said. Both routes could re-open in a couple weeks.


"Traffic is heavy right now as we clear the backlog caused by the closures," he said.

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