The way points of this bicycle route:
Turn right on Atlantic - high traffic area.
Turn left on Pearl.
Left on State / Court
Merge right onto Cambridge St.
Caution! Dangerous intersection. Continue straight over the Longfellow Bridge
Slight right onto Broadway
Turn right onto Hampshire St. (becomes Beacon St.)
Turn left onto Somerville Ave. Dangerous section heading into Porter Sq.
Merge onto Mass Ave at Porter Square. Dangerous intersection.
Turn right onto Day St.
Continue sort of straight / left through Davis Sq. onto College Ave.
Dangerous roundabout. Tufts to your left. Continue through - Colllege Ave. becomes Warner St.
Turn left on Boston Ave.
Dogleg left on rt 60 / high st. briefly then right on Sagamore Ave.
Left at Oak Ridge Road briefly. Merge R onto Mystic Valley Parkway
Right on Bacon St.
Back on Mystic Valley Pkwy to the left
Left on rt 38 briefly to the downtown roundabout.
Right on Mt. Vernon St. at the roundabout.
gentle left onto Washington St. at the 5-way intersection.
Right on Salem St. If you see Cedar, you've gone too far.
Salem turns into William St.
Continue across Rt. 28 / Main St.
Merge left onto Pleasant St.
Continue on Pleasant St. (slight right). Do not continue on Spring St.!
Left on Franklin St.
Right on Main St.
Slight right to continue on Main St. (do not go on Lebanon St.)
Dangerous roundabout at intersection of 99 and 16 (Revere Beach Pkwy). Continue straight through to merge onto Broadway / 99 S.
U-turn wrap around to the left to get off of 99 and onto Main St. into Charlestown.
R to continue on Main St.
Left on City Square - do not take Main St. to the end.
Right out of Charlestown along Chelsea.
Left on 99 over the bridge.
Left on Commercial St. which turns into Atlantic.
After crossing the big dig, left on Surface Rd.
Left on Summer back into Southie.