This guide is for general information only and is not legal advice. Laws change — verify current rules with your state DOT or a licensed attorney before relying on this for any legal matter. Read full disclaimer.
The rule
Colorado permits cyclists to ride two abreast on the roadway. Two abreast permitted; persons riding two abreast shall not impede the normal and reasonable movement of traffic and shall ride within a single lane. C.R.S. § 42-4-1412(6). See C.R.S. § 42-4-1412(6) (Operation of bicycles — two-abreast clause).