Sites:
| Central City Parkway: Official page of the new facility connecting Interstate 70 and Central City. Site includes maps, background, and FAQ. | | Colorado Department of Transportation: Supervises road construction, maintenance, and weather-related closures, and promotes recreation, tourism, and transportation safety. | | E-470 Public Highway Authority: Maintains the tolled eastern beltway of Denver which uses the EXpressToll electronic toll collection system. Official site includes toll rates, maps, and an FAQ. | | Front Range Toll Road: Official page on this proposed facility which would run east of Interstate 25. Site includes a map and full text of the related bill. | | The Highways of Colorado: Contains comprehensive information, including history and essays. |
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