Live Chat I-25 Community Nearby Traffic CO 42 2024-04-30 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to CO 42 Lafayette, CO 6.08 Boulder, CO 7.27 Broomfield, CO 8.81 Interstate highway exits close to CO 42 Exit 228, i25 14.01 Exit 225, i25 14.06 Exit 223, i25 14.79 Interstate highways close to CO 42 i25 map 14.01 i70 map 20.24 i76 map 20.34 State roads close to CO 42 US 36 CO map 1.22 CO 170 map 1.39 CO 42 map 2.24