A Union Pacific train derailed early Thursday near Gothenburg, Nebraska sending 30 coal cars off the tracks.No one was injured in the incident 2 miles southeast of Gothenburg. UP cleared one of three lines in the area to keep train traffic moving.The Nebraska State Patrol said posted photos from its drone and noted traffic on Highway 30 was not impacted by the derailment.There was no immediate word on what may have led to the incident.Gothenburg is along Interstate 80, midway between North Platte and Lexington, Nebraska.