SEPTA has called a press conference for 11 a.m. Friday to announce alternate service plans in the event of a work stoppage.
The contract between SEPTA and Transit Workers Union Local 234 is set to expire at 12:01 a.m. Saturday. If a deal is not reached, SEPTA's city routes would be impacted. The contractcovers about 4,700 bus drivers , subway and trolley operators and maintenance workers in Philadelphia.
SEPTA service in the city continues Friday on normal schedules as negotiations continue.
"This press conference has been scheduled to assure the public that we are prepared for all contingencies," SEPTA Director of Media Relations Jerri Williams said.