Originally Posted by
mikeshoup
CRS 42-4-1412. Operation of bicycles and other human-powered vehicles.
(9) (a) Except as otherwise provided in this subsection (9), every person riding a bicycle or electrical assisted bicycle shall signal the intention to turn or stop in accordance with section 42-4-903; except that a person riding a bicycle or electrical assisted bicycle may signal a right turn with the right arm extended horizontally.
It say's may, not that it replaces the standard hand signals.