Sep 15, 2009 11:07 PM by David Ortiviz

CDOT tests new traction material on I-25

The Colorado Department of Transportation  is testing a new road material that could improve safety on curvy sections of I-25.

The material is called crushed flint rock--it has a texture similar to sand paper and it's designed to give drivers more traction on the road.

On Monday and Tuesday, CDOT applied this flint rock on both northbound and southbound lanes of I-25, near the Ilex Ave. exit. It's all part of an experiment. The interstate is curvy in this spot and there's been a high number of accidents. CDOT installed this new high friction material to see if it helps reduce car crashes. "Based on the findings from our research we would definitely recommend this application perhaps be applied to some of our most dangerous curvatures or also on some of our bridge decks," said Sasan Delshad, a CDOT traffic engineer.

CDOT is working with Federal Highway Administration and the Transtec Group, a consultant firm in Texas. They'll study crashes in the area over the next three years.

Pueblo is the first city in Colorado to test this new road material. CDOT says if it's effective, they'll use it in other parts of the state.


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