Big Apple subway inits.
Else clues• IRT's running mate in N.Y.C.
• Italian ___ (Subway menu option)
• N.Y.C. subway
• N.Y.C. subway inits.
• N.Y.C. subway letters
• N.Y.C. subway syst.
• NYC subway line
• NYC subway line named for two boroughs
• NYC transp. line named for two boroughs
• Old NYC subway letters
• Subway sandwich with a subway name