C.R.S. § 1-7-115

Eligible electors shall cast their ballots without undue delay and shall leave the immediate voting area as soon as voting is complete. An eligible elector shall not enter a voting booth already occupied by another eligible elector. An eligible elector shall not occupy a voting booth for longer than the time determined by the secretary of state by rule if all the booths are in use and other eligible electors are waiting to use them. No eligible elector whose name has been entered on the pollbook shall be allowed to reenter the immediate voting area during the election, except an election judge.