The Boulder County coroner identified the cyclist killed Monday on Nelson Road west of Longmont as 69-year-old Charles Crenshaw, of Niwot.

The coroner's office announced in a news release that it has not yet conducted an autopsy, and the cause and manner of Crenshaw's death are under investigation.

About 1 p.m., Colorado State Patrol Trooper Nate Reid said, Crenshaw was riding east on Nelson Road in front of a Ford Escape traveling in the same direction. Reid said the cyclist attempted to make a left turn north onto 65th Street and crossed into the path of the Escape.

"The bicycle was on the right shoulder and when the 2003 Ford Escape began to pass him, that's when the bicycle turned in front of the path of the Ford, striking the front right corner and right side of the Ford," Reid said.

He said neither drugs nor alcohol are suspected as factors in the crash. He also said Monday that the state patrol is not yet citing the female driver of the SUV pending further investigation.

"We're going to do our best to put that car on the road and find out where it was when it was passing," Reid said.

The investigation will include an inspection of the vehicle and bicycle to find out if each were working properly.


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Monday's death was the second fatal cycling crash within a week and this year in Boulder County.

On Thursday, 19-year-old Alessandro Zarzur, of Sao Paulo, Brazil, was riding on Sunshine Canyon Drive when crossed the double-yellow line into oncoming traffic during a curve, fell down while he attempted to brake and was struck by a pickup truck.

Amelia Arvesen: 303-684-5212, arvesena@times-call.com or twitter.com/ameliaarvesen