From the North
Route 93 South to Central Artery.
Take Exit 25 at Haymarket Sq.
Bear right at the bottom of ramp on to New Chardon Street.
Haymarket MBTA Station will be on the left.
Keeping to the left, go through the set of lights.
Take a left into the parking garage (Safe Harbor Garage 50 New Sudbury Street)
On foot, exit garage by turning left on to New Chardon Street.
Cross over Cambridge Street (building on your left is the Saltonstall Building).
Walk up the hill on Bowdoin Street. McCormack Building is on your left, entrance around front, One Ashburton Place. Take elevator to the 21 st floor.
From the South
Route 93 North to Central Artery.
Take Chinatown/Kneeland Street exit 21.
At bottom of ramp, take a left turn onto Kneeland Street.
Proceed on Kneeland Street, which becomes Stuart Street; go through several sets of lights (four).
When you come to Charles Street south, you must take a right turn.
Next intersection is at Boylston Street; continue straight on Charles Street.
The Boston Common Underground Garage is entered from the right lane of Charles Street. Otherwise continue in the right lane to the intersection of Charles and Beacon Street and take a right onto Beacon Street and continue to the top of Beacon Hill the State House is on the left. Take a left onto Bowdoin Street; McCormack Building will be on your right.
From the West
Take the Mass. Pike East, once in Boston, keep right inside the tunnel and take exit 22, the Copley Square/Prudential Center exit.
Inside the tunnel keep to the right and follow sign for Copley Square. When you come out of the tunnel, the exit merges onto Stuart Street. Continue straight on Stuart Street through four sets of lights, keep left.
At the fifth set of lights you must take a left turn onto Charles Street south. Go up Charles Street and keep right to enter Boston Common Underground Garage. Follow directions on foot as above for South of Boston.