Live Chat I-70 Community Nearby Traffic Patapsco Valley State Park 2024-05-29 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Patapsco Valley State Park Baltimore, MD 3.20 Gwynn Oak, MD 5.51 Ellicott City, MD 5.85 Interstate highway exits close to Patapsco Valley State Park Exit 15b a, i695md 0.88 Exit 14, i695md 1.09 Exit 13, i695md 1.48 Interstate highways close to Patapsco Valley State Park i695md map 0.88 i70 map 3.12 i95 map 5.43 State roads close to Patapsco Valley State Park US 40 MD map 0.82 MD 144 map 0.85 MD 166 map 1.25