Heading north on I-95
Exit at Park Street, the first exit on the west side of the river.  Turn left onto Park Street.  The parking lot will be on your left just past the overpass.

Heading south on I-95
Exit at Forest Street.  Turn left on Forest Street and turn right on Park Street.  The parking lot will be on your left just past the overpass.

Heading east on I-10
Follow the signs for Downtown and exit at Forest Street.  Turn right on Forest Street and turn right on Park Street.  The parking lot will be on your left just past the overpass.