Celebrating its 100th year of service this year, the 7 train is nicknamed the “International ... It’s behind a cell-phone shop with only a small sign indicating the treasures awaiting beyond.

“I love the Mets — because I’m from Queens — and you’re riding the 7 train.” The announcements will be on 7 trains traveling between Flushing-Main Street and 34th Street-Hudson Yards.

Queens straphangers will have less of a struggle getting to the No. 7 train after MTA crews added entrances to one of the borough’s busiest stations. The Flushing-Main St. station, at the end of ...