Live Chat I-81 Community Nearby Traffic McMahon's Mill Parking Area (Transport parking) 2024-06-07 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to McMahon's Mill Parking Area (Transport Parking) Saint James, MD 2.28 Hagerstown, MD 3.39 Williamsport, MD 7.61 Interstate highway exits close to McMahon's Mill Parking Area (Transport Parking) Exit 28, i70 6.32 Exit 29b a, i70 6.60 Exit 1, i81 6.71 Interstate highways close to McMahon's Mill Parking Area (Transport Parking) i70 map 6.32 i81 map 6.71 i270md map 33.09 State roads close to McMahon's Mill Parking Area (Transport Parking) MD 63 map 1.36 MD 68 map 1.52 MD 65 map 1.69