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HQ-2017-1194 (Finalized)

On March 10, 2017, at 12:51 a.m., CST, Eastbound Union Pacific Railroad Company (UP) Train UEGKOT 09, an ethanol train, derailed 20 rail cars. The accident occurred approximately two miles east of Graettinger, Iowa, at Milepost 56.72, on UP’s Twin Cities Service Unit, Estherville Subdivision. Of...

PTC Test Facility Assessment and Laboratory Development: Phase I

The Federal Railroad Administration (FRA) provided funding to Transportation Technology Center, Inc. (TTCI) to visit and assess multiple railroad developed Positive Train Control (PTC) test facilities. TTCI reviewed these railroad test methodologies to develop recommendations for a PTC industry...

Next Generation Track Circuits

The Federal Railroad Administration (FRA) sponsored a project from June 8, 2015, through June 7, 2017, in which Transportation Technology Center, Inc. (TTCI) investigated concepts and technologies for next generation track circuits (NGTC) that could support future methods of train control. Future...

Feasibility of Track Energy Metric

Identifying track locations with rapid degradation potential and derailment risks due to structural failure is important for the railroad industry. Among the tools used to identify degradation are Track Quality Indexes (TQIs), a track geometry-based metric to characterize overall track quality....