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“Smart” sensors on I-25 promise “really significant” traffic improvements, pilot study shows

CDOT’s coordinated ramp metering pilot program boosted traffic flow in 2022

Traffic bogs down during the morning rush hour along I-25 in the Denver Tech Center on June 16, 2021 in Denver, Colorado. CDOT found that motorists spend less time on the highway when coordinated ramp metering is in effect. (Photo by RJ Sangosti/The Denver Post)
RJ Sangosti/The Denver Post
Traffic bogs down during the morning rush hour along I-25 in the Denver Tech Center on June 16, 2021 in Denver, Colorado. CDOT found that motorists spend less time on the highway when coordinated ramp metering is in effect. (Photo by RJ Sangosti/The Denver Post)
DENVER, CO - OCTOBER 2:  Staff portraits at the Denver Post studio.  (Photo by Eric Lutzens/The Denver Post)
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Getting your player ready...
Transportation officials have been busy trying to undo the knot that is rush-hour gridlock on Interstate 25 south of Denver by testing a tech-heavy and precision-based traffic management approach — and the results are in.
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