• From the North
  
• From the South
  
• From Route 1 South over Tobin Bridge
  
• From the West
  
• Shuttle Bus
  
• Directions using MapQuest
  

From the North:

• Take 93S to exit 28 – “Sullivan Square – Charlestown.” Stay in left lane until completely off the exit.
  
• See sign, “Boston via Sullivan Sq. – Charlestown.”
  
• As you travel under the overpass, move to center lane.
  
• Go straight through traffic lights. Bear right after lights – do not go under overpass.
  (May see sign, “North Tobin Bridge Detour”)
  
• See sign “City Sq. – Downtown Boston.” Stay in far left lane.
  
• See “Charlestown City Sq. Next left.”
  
• Go straight through traffic lights.
  
• See sign “City Sq. – Constitution Road Next Left.”
  
• At traffic lights go left onto Chelsea St.
  
• See Continuation from all points
  
  

From the South:

• Take 93N (Expressway) to exit 26 Storrow Drive. Exit 26 is partway through the Central Artery Tunnel, exit from the right lane. When leaving the tunnel on exit 26, stay in the left lane.
  
• Follow signs for North Station. Go straight through first set of traffic lights.
  
• At 2nd set of lights, turn left on Causeway St. Go through blinking yellow traffic light.
  
• At next traffic light, turn left onto North Washington St.
  
• Cross Charlestown Bridge and take first right at end of bridge onto Chelsea St.
  
• See Continuation from all points
  
  

From Route 1 South over Tobin Bridge:

• After tolls, take first exit (Charlestown/Somerville).
  
• Go through tunnel staying to extreme right (Charlestown/Rutherford Avenue).
  
• At traffic lights turn right, and proceed to extreme left of road.
  
• Go to next traffic light and turn left.
  
• See Continuation from all points
  
  

From the West:

• Take the Mass Turnpike (Route 90 East) to the Allston/Brighton and Cambridge Exit (Exits left off the Mass Pike).
  
• After toll booths, bear right to Cambridge.
  
• At first light turn right onto Storrow Drive. Continue along the river for approximately three miles to traffic light at the end.
  
• Take sharp right (stay right at ramp), go beneath underpass to traffic light.
  
• Turn left onto Causeway Street and go to second traffic light.
  
• At this light turn left onto the Charlestown Bridge.
  
• At end of bridge turn right.
  
• See Continuation from all points
  
  

Continuation from all Points:

• Go through 4 traffic lights and turn right onto 13th Street.
  
• 1st light is Warren St.
  
• 2nd light is Constitution Rd.
  
• 3rd light is 5th Street
  
• 4th light is 13th Street.
  

The Center for Biomarkers in Imaging is located in Building 149 and is the fourth building on the right on 13th Street. It is connected to a parking garage across the street by four pedestrian bridges. There is a handicap ramp outside on the right side of Building 149.


Shuttle Bus:
Free shuttle bus is available between the MGH main campus (Boston) and Charlestown. The shuttle departs from both the main campus and Charlestown every 15-min. The shuttle stops just outside of the Jackson Building on the main campus, and stops at Building 149 in Charlestown.