Answer:
C) Colorado General Assembly
Step-by-step explanation:
The Colorado General Assembly is responsible for revising traffic laws, for example the last revisions were SB19-144 (04/23/2019) regarding motorcyclists and malfunctioning traffic signals, and HB20-1027 (01/8/2020) regarding authorizing Colorado state patrol port of entry officers to direct traffic.
You can find all the information about Colorado traffic laws on the General Assembly's website.