From Route 2 East - Take the Pleasant Street exit 55 toward Waltham/Lexington. Take the ramp toward Concord Ave./Waltham. Turn slight right onto Pleasant St. Turn right onto Concord Ave. Turn Right onto Waltham Street just past April Lane. 903 Waltham Street is on left (if you reach Piper Road you've gone about .1 miles too far). From 95 North take the Trapelo Road exit (28A) toward Belmont. Turn right onto Trapelo Road (you will see Waltham Crossings directly in front of you). Turn left onto Smith Street at the first set of lights. Make a right onto Concord Avenue. The center will be on your left after the Cotting School. If you reach the set of lights you have passed us.