Colorado Revised Statutes Title 31. Government Municipal § 31-23-217. Acceptance and improvement of streets

(a) Has been accepted or opened as or otherwise has received the legal status of a public street prior to the adoption of such plan; or

(b) Corresponds with a street shown on the official master plan or with a street on a subdivision plat approved by the planning commission or with a street on a street plat made by and adopted by the commission. However, the governing body may accept any street not shown on or not corresponding with a street on the official master plan or on any approved subdivision plat or an approved street plat if the ordinance or other measure accepting such street is first submitted to the commission for its approval and, if approved by the commission, is enacted or passed by not less than a majority of the entire membership of the governing body or, if disapproved by the commission, is enacted or passed by not less than two-thirds of the entire membership of the governing body.