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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...

HQ-2018-1263 (Finalized)

On April 18, 2018, at approximately 1:23 a.m., CST, a local Union Pacific Railroad Company (UP) freight train, symbol MFWMH-15, with 5 lead locomotives and 17 of the original 114 rail cars remaining in the train, derailed a single rail car in yard track 108 at Milepost (MP) 609.43 on UP’s Toyah...

Rail Tank Car Total Containment Fire Testing

A series of seven fully-engulfing fire tests were conducted by Bundesanstalt für Materialforschung und –prüfung (BAM) personnel on one-third scale test tanks to evaluate the capacity of rail tank cars carrying hazardous caustic materials, such as sodium hydroxide (NaOH) or potassium hydroxide (KOH...

Railroad Energy Intensity and Criteria Pollutant Emissions

A tiered emission factors table was developed by Argonne National Laboratory to populate its Greenhouse Gases, Regulated Emissions, and Energy Use in Transportation (GREET®) model for pollutants emissions, as well as to calculate energy intensities for passenger and freight rail applications. The...