The victim's condition was not immediately clear, and B, C, A and D lines were affected, the FDNY said.
The 6, 7, A, C, D, E, F, J, M, N, Q and R trains are slated for service disruptions this weekend.
Police are looking for a man they say kissed and grabbed the woman at the 55th Street Station.
The 1, 2, 3, 5, 6, 7, A, C, D, E, F and 42nd Street Shuttle will all be affected.
1, 2, 3, 4, 5, 7, D, F, N, Q, R trains and Times Square shuttles were all disrupted, officials said.
MTA is modifying service on 1, 2, 4, 6, A, C, D, E, L, N and R over the weekend, so plan accordingly.
The 4, 5, 6, 7, A, C, D, E, F, L, Q and Times Square Shuttle are all affected.
Kevin Darden is due back in court on April 6.
B and D trains were rerouted because of a broken rail at Grand Street, accoridng to the MTA.
The man allegedly attacked the worker at random on a Tremont subway platform last week.
The 2, 6, A, D, G, N, Q and R lines are slated for service disruptions.
The 2, 4, 6, A, D, E, G, N, Q and R lines are all slated for service changes this weekend.
The assault happened near the Prospect Park stop on the B/Q line, police said.
The 6, A, D, E, G, N, Q, R and S lines are slated for service disruptions this weekend.
The 1, 2, 3, 4, 5, 6, A, D, F, J and Q lines are all scheduled for disruptions.
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