BOULDER COUNTY, Colo. (CBS4) – Two people died in an accident Friday morning.

It happened at about 2:14 a.m. on Highway 287 near Oxford Road.

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That’s just south of Longmont.

Drivers in two cars, a male and a female, both died in the accident.

(credit: CBS)

State Patrol says the 23-year-old woman was driving the wrong way on the highway when she hit the other vehicle, which was driven by a 55-year-old man.

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Deputies say they were the only victims involved in the crash, as they had no passengers.

(credit: CBS)

Their identities have not yet been released.

The highway was closed in both directions to Pike Road for several hours, but has since reopened.

The cause of the crash remains under investigation, although alcohol does not appear to be a factor.