Live Chat I-74 Community Nearby Traffic US 421 IN 2024-04-27 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 421 IN Millhousen, IN 4.79 New Point, IN 12.83 Clarksburg, IN 14.95 Interstate highway exits close to US 421 IN Exit 134b a, i74 3.26 Exit 132, i74 4.84 Exit 143, i74 13.03 Interstate highways close to US 421 IN i74 map 3.26 i65 map 40.28 i70 map 56.83 State roads close to US 421 IN US 421 IN map 0.06 IN 244 map 18.18 IN 229 map 19.06