Take 95/128N to Exit 30, Route 2A/Marrett Road east. Travel 1.3 miles and go left (north) at on Waltham Street (traffic light) for 0.7 miles to 130 Waltham Street
Take Route 2 west to Exit 54B. Bear right on Waltham Street and go 1.7 miles to 130 Waltham Street.
From Mass Pike
Take Route 90 East to 95/128N then follow directions "From South".
Take Route 2 east to 128/95N then follow directions "From South".
Take 128 South to 95 South. Take Exit 31A, Routes 4 & 225 south for 1.9 miles. Turn right (south) at traffic light onto Waltham Street and travel 0.2 miles to 130 Waltham Street.