Tour of Boston's Downtown Bikepaths 0.0 Start at City Hall Plaza 0.1 Right on Congress St. 0.3 Bear Right at Post Office Square 0.7 Cross Central Artery 0.8 Right on Dorchester Ave. 0.9 Left on Summer St. at light 1.0 Right on Melcher St. 1.1 Right on Necco St. 1.1 Next Right into alley 1.2 Left on Harborwalk/South Bay Harbor Trail 1.6 Left on Dorechester Ave. 1.7 Left on Athens St. 2.5 Right on Dorchester St. 3.0 Left on Old Colony Ave. 3.2 Straight across rotary onto Columbia Road 3.7 Straight onto Morrissey Blvd. 4.2 Bear right into left turn lanes 4.3 Left into U.Mass/Boston at light 4.3 Bear right onto path next to water 4.6 Pass U.Mass/Boston 5.5 Pass Kennedy Library 5.6 Cross brief dirt patch 5.6 Straight on gravel path 5.7 Right onto path along Boston Harbor (Note historical markers on granite blocks) (There is a separate asphalt bike path) 6.3 Pass Mother's Rest structure 6.6 Use wide sidewalk along Carson Beach 7.5 Pass L Street Beach bathhouse (Watch for pedestrians) 8.2 Left on Day Blvd. at Pleasure Bay (Optional Straight on causeway to Castle Island) 8.5 Left on 1st St. 9.2 Right on L St. 9.4 Straight on Summer St. across Reserve Channel 9.7 Right on Drydock Ave. 9.8 Left on Harbor St. 9.9 Left on Northern Ave. 10.5 Right on Old Northern Ave. 10.8 Cross Old Northern Ave. Bridge 11.0 Right on Atlantic Ave. 11.3 Left on State St. 11.7 Straight on Court St. past Old State House 11.8 Right on Cambridge St. 11.9 Right onto City Hall Plaza and end of ride