He was struck about 2 p.m., officials said.
Disruptions began when a train stalled near the Lexington Avenue-59th Street station, the MTA said.
The cable was taken from subway tracks near Howard Beach, crippling service, the MTA said.
Signal problems at Grand Central Terminal disrupted 7 train service for hours Monday, officials said.
The Fastrak work will impact service from 10 p.m. to 5 a.m. Monday through Friday next week.
Service on the F, R, M and E lines were disrupted Tuesday evening.
A small track fire broke out in the tunnel between Queensboro Plaza and 57th Street, officials said.
The trains were rerouted and service was delayed after reports of a person injured at Avenue M.
The 1, 2, 3, 4, 5, 6, 7, A, C, D, E, F, G, J, M and S lines will have changes.
A man was hit by an F train in the Fourth Avenue station Monday morning, officials said.
The 1, 2, 3, 4, 5, 6, 7, A, D, E, F, G, N and R lines are all slated to undergo service disruptions.
Crews were working to repair the rail at 59th Street, an MTA spokesman said.
Work will affect the 2, 3, 4, 5, 6, 7, A, E, F, G, J, M, Q and two shuttle lines, the MTA said.
An empty suitcase prompted 1, 2 and 3 trains to temporarily bypass Times Square Monday, police said.
The G train will undergo overnight repairs Wednesday and Thursday.
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