ORANGE COUNTY — DPS Troopers want to know what led to a deadly crash on FM 105 north of Vidor Wednesday night.

Bicyclist Shannon Harrington, 31 of Vidor, died at the scene on 105 near West Circle Road. The wreck was reported around 7 p.m. Wednesday, according to DPS spokesperson Sgt. Stephanie Davis.

"Preliminary reports indicate that a 2008 Ford pickup truck was traveling southbound on FM 105. A bicyclist was traveling northbound on the southbound shoulder of FM 105. For an unknown reason, the driver of the pickup truck traveled off the main traveled portion of the roadway and struck the bicyclist," Sgt. Davis said in a news release.

DPS calls this an ongoing investigation. The driver of the Ford truck, an 18-year-old man from Silsbee, was not hurt.