DIRECTIONS FROM Boston Design Center to Interstate: TO I-90 WEST/ I-90 EAST LOGAN AIRPORT: Heading Southwest on Drydock Avenue, take a right onto Summer Street. Take the second right onto D Street. Take the first (and immediate) left onto the I-90 West/East Ramp. TO 93 SOUTH/ 93 NORTH: Heading Southwest on Drydock Avenue, take a right onto Summer Street. Take the second right onto D Street. Turn left onto Congress Street (Starbucks will be on your right). The on ramps to 93 South and 93 North will be up ahead on the left. View Larger Map