Two cable car lines out of service

Separate mechanical problems afflicted two of San Francisco’s three historic cable car lines late Friday morning, and service disruptions are expected to continue throughout the day.

A problem with a cable put the Hyde Street stretch of the Powell-Hyde line out of action about 11:15 a.m., and service is not expected to resume until Saturday, according to Muni spokesman Judson True.

An unrelated mechanical problem struck the California line 35 minutes later, according to True. He said service on that line is expected to be restored later today.

Bus shuttles are ferrying passengers along both popular tourist routes until the problems can be resolved, according to True.

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