Stay straight to go onto Airport Exit.
Turn slight left to take the RT-1A South ramp toward Sumner Tunnel/Boston.
Merge onto MA-1A S/William F McClellan Highway, which becomes MA-1A S.
Turn right onto Cross Street, which becomes New Chardon Street, which then becomes New Chardon Street/Bowdoin Square.
Turn right onto Cambridge Street.
Take the Storrow Drive West ramp.
Merge onto MA-28 S/Storrow Drive, which decomes MA-28 S/David G. Mugar Way/Storrow Drive.
Turn slight right onto Storrow Drive.
Take the ramp toward Kenmore Square. Keep right at the fork in the ramp.
Merge onto Charlesgate W.
Turn slight left to take the Boylston Street outbound ramp toward Riverway.
Merge onto Boylston Street.From Boston International Airport: