UPDATED | August 22, 2016 3:05 PM

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ROANOKE (CBSDFW.COM/AP) – Officials on Monday said that, after a train hauling coal derailed in rural North Texas, work continues to clear cars.

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Union Pacific spokesman Jeff DeGraff stated that half of the 26 derailed cars were cleared by Monday morning following the Sunday derailment in Roanoke, located north of Fort Worth. He added that the cars which still need to be cleared include two that fell into a creek below a train bridge.

DeGraff said that they are still investigating what caused the cars to derail off the end of the train. No one was injured.

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The spokesman said that about 1,600 feet of rail will be replaced, and that repairs to the bridge will take multiple days.

DeGraff said that U.S. Highway 377 will be closed into Monday evening as heavy equipment moves in and out of the site. The roadway is expected to remain closed for several days.

The bus routes for the following schools in Northwest ISD are experiencing delays up to 45 minutes going to and from school:

  • 803 – Byron Nelson High School
  • 672 – Medlin Middle School
  • 678 – Roanoke Elementary School
  • 662 – Byron Nelson High School
  • 702 – Beck Elementary School, Byron Nelson High School
  • 697 – Eaton High School (Dual Language, Academy)
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