<P> E-470 is the eastern portion of what was originally conceived as I - 470, an outer beltway for metropolitan Denver . The quasi-government entity that manages the highway, the E-470 Public Highway Authority, consists of eight member jurisdictions: Adams, Arapahoe, and Douglas counties and the cities of Aurora, Brighton, Commerce City, Thornton, and the town of Parker . In addition to all of these jurisdictions, E-470 also passes through the City and County of Denver near Denver International Airport . Affiliate, non-voting members of the Authority, which the highway does not directly serve, are the cities of Arvada, Lone Tree and Greeley, and Weld County and the City and County of Broomfield . Ex-officio members are the Colorado Department of Transportation, the Denver Regional Council of Governments, the Regional Air Quality Council and the Regional Transportation District . The authority is headquartered in Aurora . </P> <P> The toll rate on E-470 for vehicles that do not have ExpressToll automated toll transponders, roughly 37 cents per mile (23 ¢ / km), is one of the highest rates of any toll road in the United States . In addition to 17 ramp toll interchanges, there are five mainline toll stations along the 47 - mile (76 km) route and the average non-discounted toll to pass each mainline station is $3.64 based on 2017 rates posted on E-470.com . According to the E-470's 2017 Toll Calculator traveling the entire length of the road from I - 25 in the north to I - 25 in the south (or vice versa) costs $14.50 for ExpressToll customers, and $18.20 for those without a transponder . Drivers with ExpressToll accounts, E-470's automated toll collection service, and transponders mounted on their vehicle save 20% on posted toll rates along E-470. The toll stations no longer accept cash; E-470 was one of the first highways in the United States to implement full highway - speed electronic tolling . Regarding License Plate Toll (for vehicles without ExpressToll transponders), cameras at each station photograph the front and rear license plate of each vehicle . A bill is mailed after approximately 30 days to the registered owner of the vehicle in accordance with state law . The License Plate Toll statement must be paid in full by the due date or a second statement with a one - time $5 late fee will be mailed . If payment is still not received, a third statement is sent with no additional fees . If the account remains unpaid for more than 90 days, the account becomes delinquent and all overdue toll transactions will be sent to a collections law firm for up to four months in an attempt to find the customer and collect payment . The unpaid tolls, the $5 late fee, and a one - time $20 collection fee are due at this time . If payment is still not received, a Civil Penalty Assessment Notice will be mailed for the unpaid tolls, the $5 late fee, the $20 collection fee, and a $25 Civil Penalty per notice . Upon receipt of this document, the customer may request a hearing . If the full payment of the Civil Assessment Notice has not been received in 30 days, a Hearing Officer's Final Notice is issued to include the unpaid tolls, the $5 late fee, the $20 collection fee, the $25 Civil Penalty, and a $20 Court Fee, totaling a maximum of $70 of fees and penalties for each unpaid set of tolls . </P> <P> Rental car companies at Denver International Airport have been accused of over-charging unwitting visitors for unpaid tolls because of the road's cashless collection system . </P> <P> Plans for this eastern extension of State Highway 470 gained momentum in the 1980s, as Denver moved forward with plans for a new international airport in its corridor . Recognizing the highway's development potential, a number of local governments joined together to create the E-470 Public Highway Authority, a quasi-governmental entity that would construct the highway . In 1987, the Public Highway Authority Law was passed by the Colorado State Legislature, giving the E-470 Public Highway Authority the power to do everything needed to plan, design, finance, construct, and operate the toll highway . The highway would be financed through tolls, a relative rarity in the western U.S. </P>

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