Research Results

Bridge Approach Remedies Implemented at Western Mega Site

  • 01
  • Sep
  • 2017
AUTHOR: Federal Railroad Administration
REPORT NUMBER: RR 17-10
SUBJECT: Bridge and Structures Safety
KEYWORDS: Heavy axle load (HAL), track transition, bridge approach
ABSTRACT: As part of the heavy axle load (HAL) revenue service mega site testing program, the Transportation Technology Center, Inc. (TTCI) has worked closely with the Union Pacific Railroad (UP) to address bridge approach problems under HAL operations. The testing program targeted two bridge locations at the western mega site (located near Ogallala, NE, on a heavy haul coal route of UP) for remediation and long-term performance monitoring.
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