On leaving airport follow U.S. Route 1 through Alexandria, Virginia to Interstate 95 North. Follow Interstate 95 North to U.S. Route 50 East. Continue over the Chesapeake Bay Bridge. Turn right 1/2 mile after milepost 49 at Carmichael Road and sign marked Aspen Institute. Proceed about 3 miles to intersection with Cheston Lane. To reach Houghton House and River House proceed straight ahead. To reach Wye Woods, turn right onto Cheston Lane.