Streetwise Boston Map is a laminated city center map of Boston, Massachusetts. The accordion-fold pocket size travel map has integrated trolley lines & MBTA subway map. Coverage includes: Main Boston Map 1:23,000 Downtown Boston Map 1:17,000 Boston Regional Map 1:507,000 Boston Rapid Transit Map (MBTA Subway & Trolley Stations).Dimensions: 4" x 8.5" folded, 8.5" x 27" unfolded