From the North
Take Interstate 295 to Exit 7, Franklin Arterial. From Franklin Arterial, turn right onto Congress Street. Stay on Franklin until you hit the top of the hill and take a right onto Congress Street. You will pass City Hall on your right, continue on Congress several more blocks, past Monument Square. Porteous is the large building on the left with a gray awning.
From the South
Take the Maine Turnpike northbound to Exit 44, Interstate 295. Follow Interstate 295 to Exit 7, Franklin Arterial. From Franklin Arterial, turn right onto Congress Street. Stay on Franklin until you hit the top of the hill and take a right onto Congress Street. You will pass City Hall on your right, continue on Congress several more blocks, past Monument Square. Porteous is the large building on the left with a gray awning.