Live Chat I-66 Community Nearby Traffic Potomac Yard Substation (Poi crane) 2024-06-18 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Potomac Yard Substation (Poi Crane) Ft Myer, VA 2.44 Washington, DC 3.68 Falls Church, VA 5.65 Interstate highway exits close to Potomac Yard Substation (Poi Crane) Exit 72, i66 1.23 Exit 73, i66 1.64 Exit 71, i66 1.95 Interstate highways close to Potomac Yard Substation (Poi Crane) i66 map 1.23 i95 map 9.42 i495va map 10.97 State roads close to Potomac Yard Substation (Poi Crane) VA 237 map 0.11 US 50 VA map 0.92 US 29 VA map 1.05