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Eric Risberg, Associated Press
A maintenance supervisor, left, talks with a mechanic as cable cars sit idled at the cable car barn Wednesday, June 4, 2014, in San Francisco. San Francisco's famed cable cars remained idle on Wednesday morning on the third day of a worker sickout, but light-rail trains and buses returned to their regular routes as service improved. Workers and the San Francisco Municipal Transportation Agency are at odds over a new contract. Workers overwhelmingly rejected a contract proposal on Friday that union officials said would have resulted in a pay cut.

SAN FRANCISCO — San Francisco's famous cable cars are set to run again and service on light-rail trains and buses is almost at full strength, as a three-day transit driver sickout appears to be coming to an end.

The San Francisco Municipal Transportation Agency says it is operating more than 90 percent of its normal weekday service on Thursday. The agency runs buses, light rail and street cars in addition to the cable cars and serves about 700,000 passengers each day.

Transit operators had called in sick in large numbers for three straight days starting on Monday, reducing service and stopping the cable cars. The sickout came after workers rejected a contract proposal that union officials said would have resulted in a pay cut.

The city on Wednesday filed an unfair labor practice charge against the drivers' union, saying their contract forbids strikes and work stoppages.