Follow 93 South.
When you reach the Zakim Bridge (new bridge suspended by a series of cables) stay in the right lane and follow the signs for "Government Center" which is Exit 24A. Take that exit.
You will be in a tunnel; stay to the right. When out of the tunnel, stay to the right toward "Faneuil Hall/Government Center."
At the lights, turn right onto Clinton Street.
At the next lights take a left onto North Street.
On North Street, immediately go into the right lane.
Take a right onto Union Street.
We are on the right, halfway down, at 41 Union Street.