A man is dead after crashing his pickup into the back of an 18-wheeler.

It happened around 2 a.m. Thursday on Highway 290 near Ladino in northwest Harris County.

Officials said the driver of an 18-wheeler was sleeping in his cab that he had parked on the shoulder of the outbound feeder road.  

Deputies said the driver of a pickup truck was speeding when he left the roadway and slammed into the back of the semi.

Authorities said the driver of the pickup died instantly. The driver of the 18-wheeler was not hurt.