The Jeffco Open Space park system has over 244 miles of trails. Twenty-seven miles of trail are currently designated for a specific use.
White Ranch Park Jeffco Open Space made Middle Longhorn Trail a mountain bike only, one way designation permanent, on June 19, 2019. This decision was made after conducting a one year pilot program where compliance with this designation was approximately 98% and more than 80% of people surveyed were satisfied or in favor of the designation.
Matthews/Winters Park On November 1, 2018, Dakota Ridge South Trail at Matthews/Winters Park was designated as bike only with a mandatory clockwise direction for movement. This new portion of trail is 0.8 miles.