Live Chat I-70 Community Nearby Traffic US 40 MD 2024-04-30 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 40 MD Simpsonville, MD 0.00 Clarksville, MD 4.21 Dayton, MD 4.89 Interstate highway exits close to US 40 MD Exit 80, i70 8.13 Exit 82, i70 8.41 Exit 83, i70 8.41 Interstate highways close to US 40 MD i70 map 8.13 i95 map 13.18 i695md map 18.39 State roads close to US 40 MD MD 108 map 2.03 MD 32 map 2.81 MD 216 map 6.52