Live Chat I-76 Community Nearby Traffic CO 121 2024-06-13 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to CO 121 Arvada, CO 2.31 Denver, CO 3.35 Westminster, CO 8.29 Interstate highway exits close to CO 121 Exit 267, i70 1.35 Exit 269a, i70 2.06 Exit 269b, i70 2.66 Interstate highways close to CO 121 i70 map 1.35 i76 map 2.70 i25 map 7.61 State roads close to CO 121 CO 391 map 0.80 CO 121 map 1.62 CO 72 map 3.24