A man riding on the 7 line exposed himself to a female straphanger as the train was approaching the Junction Boulevard station in Corona, police said.
The incident happened about 8:30 a.m. on March 20 aboard a Manhattan-bound train, according to authorities.
As the train was pulling into the stop at Junction Boulevard and Roosevelt Avenue, the victim, a 25-year-old woman, saw the suspect standing in front of her and exposing himself, police said. The man then exited the train at the Woodside/61st Street station.
The suspect is described as an Asian male in his 60s, about 6 feet tall, 180 pounds, with brown eyes and gray hair.
Anyone with information is asked to call Crime Stoppers at 800-577-TIPS (8477). The public can also submit their tips by logging onto the Crime Stoppers website or can text their tips to CRIMES (274637), then enter TIP577. All calls are strictly confidential.