Auto-train collision under investigation in North Harris County

(Source: Captain J. Shannon with the Harris County Sheriff's Office)

An auto-train collision is under investigation in north Harris County. 

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Details are limited but the Harris County Sheriff's Office said the collision occurred on the 12700 block of Homestead Road. 

According to authorities, the two-mile-long rain dragged the truck approximately 50 yards. 

(Source: Captain J. Shannon with the Harris County Sheriff's Office)

Authorities said no one was in the truck at the time of the collision. 

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HSCO and Union Pacific are investigating. 

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