Live Chat I-93 Community Nearby Traffic Union Square (Amenity postoffice) 2024-05-30 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Union Square (Amenity Postoffice) Cambridge, MA 1.75 Boston, MA 2.35 Charlestown, MA 2.83 Interstate highway exits close to Union Square (Amenity Postoffice) Exit 29, i93 1.69 Exit 28, i93 1.75 Exit 30, i93 2.23 Interstate highways close to Union Square (Amenity Postoffice) i93 map 1.69 i90 map 3.34 i95 map 13.24 State roads close to Union Square (Amenity Postoffice) MA 28 map 0.64 MA 38 map 1.62 MA 2A map 1.69