Colo. tries easing I-70 backups by pacing traffic

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Colorado transportation officials say an experiment using police cars to pace traffic and reduce congestion on Interstate 70 in the mountains has produced promising preliminary results.

The Aug. 13 test was conducted on an 8-mile section of eastbound I-70 between the Eisenhower Tunnel and Silverthorn.

Colorado State Patrol and Silverthorn Police patrol cars turned on their emergency lights and entered the traffic flow at about 55 mph.

The technique is called “rolling speed harmonization.” The goal is to even out fluctuations in speed, which is expected to reduce congestion and collisions.

The Colorado Department of Transportation plans a second test on Sept. 25 over a 27-mile section of eastbound I-70 from Silver