Live Chat I-495 MD Community Nearby Traffic Henry Duffy Park (Tourist attraction) 2024-05-06 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Henry-Duffy Park (Tourist Attraction) Chevy Chase, MD 0.00 Rockville, MD 0.00 Potomac, MD 0.00 Interstate highway exits close to Henry-Duffy Park (Tourist Attraction) Exit 10, i270md 0.57 Exit 11b a, i270md 0.96 Exit 9b a, i270md 2.61 Interstate highways close to Henry-Duffy Park (Tourist Attraction) i270md map 0.57 i495md map 15.41 i495va map 15.41 State roads close to Henry-Duffy Park (Tourist Attraction) MD 355 map 0.37 MD 117 map 0.40 MD 124 map 0.94