Travel 495 South and go to exit (Arlington Blvd/50 West). TAKE 50 WEST. Make a right onto Gallows Rd/Merrifield exit. * Travel past six lights (Landmarks: Giant, Boyds Piano, German AutoBody shop, Merrifield Garden Center, Dunn Loring Metro station). After sixth light proceed on overpass of Route 66. School is immediately on the left side. (If you go too far, you will be at Cottage Street)