C.R.S. § 42-4-1812

(1) Nothing in this part 18 shall be construed to include or apply to the driver of any disabled motor vehicle who temporarily leaves such vehicle on the paved or improved and main-traveled portion of a highway, subject, when applicable, to the emergency lighting requirements set forth in section 42-4-230 . (2) Nothing in this part 18 shall be construed to include or apply to authorized emergency motor vehicles while such vehicles are actually and directly engaged in, coming from, or going to an emergency.