Passengers say getting rid of Train 4610 on the Atlantic City line would mess up their ride to work.
The train leaves Atlantic City each weekday at 5:49 a.m., and arrives at Philadelphia's 30th Street Station at 7:24 a.m.
Commuters from across southern New Jersey say it's perfect.
NJ Transit says it's shifting schedules and making some cuts to match demand. But spokeswoman Penny Basset-Hackett says the agency does not have ridership details for the 4610 train.
Service will end Friday unless a quick change is made to NJ Transit's plans.
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Information from: The Press of Atlantic City, http://www.pressofatlanticcity.com