Cause of Gibbon train derailment under investigation

GIBBON, Neb. -- All rail lines are back open following a trail derailment in central Nebraska last Wednesday.

A total of 28 cars of a Union Pacific train went off the tracks near Gibbon on March 31st.

No one was injured, according to Union Pacific, but Pawnee and Range Roads were closed as a result of the derailment. Crossings have since reopened.

Union Pacific says all lines were back open by Friday night. The cause of the derailment remains under investigation.