A 66-year-old MTA worker was randomly punched in the face while she was standing on a Manhattan subway platform Friday afternoon, cops said.

The MTA worker, 66, was on duty and on the platform at Harlem’s W. 148th St.-Lenox Ave. station when a stranger punched her in the face Friday afternoon, police said.

An MTA employee was punched in a random, unprovoked attack in a subway station in Harlem on Friday afternoon, police say. The 66-year-old employee was on the job at the Harlem -148 Street subway station around 1 p.