C.R.S. § 42-4-710

(1) The driver of a vehicle emerging from an alley, driveway, building, parking lot, or other place, immediately prior to driving onto a sidewalk or into the sidewalk area extending across any such alleyway, driveway, or entranceway, shall yield the right-of-way to any pedestrian upon or about to enter such sidewalk or sidewalk area extending across such alleyway, driveway, or entranceway, as may be necessary to avoid collision, and when entering the roadway shall comply with the provisions of section 42-4-704 . (2) The driver of a vehicle entering an alley, driveway, or entranceway shall yield the right-of-way to any pedestrian within or about to enter the sidewalk or sidewalk area extending across such alleyway, driveway, or entranceway. (3) No person shall drive any vehicle other than a bicycle, electrical assisted bicycle, or any other human-powered vehicle upon a sidewalk or sidewalk area, except upon a permanent or duly authorized temporary driveway. (4) Any person who violates any provision of this section commits a class A traffic infraction.