Philadelphia transit officials say there won't be another rail strike for at least four months.
The Southeastern Pennsylvania Transportation Authority says it will request federal intervention if it can't reach a deal with train engineers.
Engineers have been without a contract since 2010. Their one-day strike in June idled 13 lines that serve 60,000 commuters each weekday.
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Employees ended their walkout after President Barack Obama appointed an emergency board to mediate the dispute over wages and other issues.
The board issued non-binding recommendations, but the two sides still have not reached agreement. Bargaining is set to resume Monday.
SEPTA says it will ask for a second board if there's no contract by Oct. 13, when the first board's term expires. That move would prevent a strike until Feb. 10.