Classified by CDOT as a minor arterial, SH 224 parallels Interstate 76 west from U.S. 6/85 (Vasquez Boulevard) in Commerce City to SH 53 (Broadway) at Twin Lakes. The 3.634 mile long route lines Broadway north to a half diamond interchange with U.S. 36 (Denver-Boulder Turnpike) at Sherrelwood in unincorporated Adams County.
| SH 224 (E 74th Avenue) crosses Big Burlington Ditch ahead of the traffic light with Colorado Boulevard south in Commerce City. 08/11/16 |
| A confirming marker stands beyond Colorado Boulevard and the exit ramp from Interstate 76 eastbound. 08/11/16 |
| SH 224 (E 74th Avenue) east at Dahlia Street. 08/11/16 |
| SH 224 east ends in an industrial area of Commerce City at U.S. 6/85 (Vasquez Boulevard). 08/11/16 |
| U.S. 6/85 combine north to I-76 east at Derby and south from Commerce City with SH 2 to the Elyria-Swansea neighborhood in Denver. 08/11/16 |