Live Chat I-80 Community Nearby Traffic I 80 exit 300mm 2024-04-23 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to I-80 Exit 300mm Davenport, IA 4.39 Rock Island, IL 5.57 Pleasant Valley, IA 6.16 Interstate highway exits close to I-80 Exit 300mm Exit 3, i74 2.65 Exit 2, i74 2.70 Exit 4, i74 3.55 Interstate highways close to I-80 Exit 300mm i74 map 2.65 i80 map 4.99 i280ia map 10.45 State roads close to I-80 Exit 300mm US 67 IA map 2.43 US 6 IA map 2.54 US 6 IL map 4.09