Douglas County's 2025 traffic-and-parking ordinance restricts commercial vehicles parked on public roads across eight designated planning areas (including Highlands Ranch, Castle Pines, Pinery and Roxborough). Castle Rock separately bans heavy trucks and semitrailers on residential-area rights-of-way.
The county's 2025 ordinance (O-025-001) added commercial-vehicle parking restrictions in eight designated areas: Highlands Ranch, Chatfield, Roxborough, the Pinery, Castle Pines, Parker, Castle Rock and Lone Tree planning areas. Within Castle Rock, Municipal Code 10.16.010.A makes it unlawful to park any truck of 10,000 pounds gross vehicle weight or more, trailer, utility trailer, semitrailer, truck tractor or farm tractor on a public right-of-way adjacent to residentially-zoned property, except briefly for active loading, unloading or rendering services.
County commercial-vehicle offenses carry $100 fines for the first three; after three within a year, penalties reach up to $1,000 plus a mandatory court appearance. Castle Rock fines start at $100.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Douglas County, CO
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Douglas County, CO
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See how Douglas County's commercial vehicle restrictions rules stack up against other locations.
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