From the Mass. Turnpike (90) and Route 93 North: Take Route 93 North to Exit 25 to Causeway Street. At the end of the ramp, turn right. At the first light turn left onto the Charlestown Bridge. Take the first right after the bridge onto Chelsea Street (with the Navy Yard on the right) and drive through three sets of traffic lights. Take a right at the fourth set of lights. The Navy Yard Research Building (Bldg 149) is one block away on the right and is connected to the parking garage by overhead walkways.

From Route 93 South: Take Exit 28 (Charlestown/Sullivan Square). At the end of the exit where the read forks stay to the right and proceed past the bus terminal to the rotary at Sullivan Square. Go halfway around the rotary towards Charlestown (the Schrafts building with a large American flag on top of it will be on your left). Cross the railroad tracks and take a left at the fire station onto Medford Street. At the end of Medford street turn left onto Chelsea Street and make an immediate right into the Navy Yard. The MGH East Research Building (Bldg. 149) will be on the right and is connected to the parking garage by overhead walkways.