RANCHO CORDOVA (CBS13) — A person was struck and killed by a vehicle near a Highway 50 on-ramp in Rancho Cordova on Thursday morning, authorities say.

The crash happened near the westbound Highway 50 on-ramp at Sunrise Boulevard little before 6 a.m., according to California Highway Patrol.

Exactly what led up to the incident is unclear, but officers confirmed that a person was killed.

One lane of the on-ramp remains open, but officers are still at the scene investigating.

The driver stayed at the scene and is cooperating with the investigation.

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No information about the person struck and killed has been released at this point.