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Environmental Review

The Federal Railroad Administration hosted a webinar on its Environmental Review process on July 26, 2018.

Seismic Testing for Track Substructure Assessment

The University of Illinois at Urbana-Champaign (UIUC) presented equipment, test procedure, and interpretation techniques to rapidly, non-invasively, and quantitatively measure the engineering properties of track substructure (ballast and subgrade). In particular, seismic surface wave testing with...

HQ-2017-1204 (Finalized)

On May 18, 2017, at 11:30 a.m., CDT, a southbound Union Pacific Railroad (UP) train derailed. The derailment occurred near Mason City, Iowa, at milepost (MP) 184.27, on the single main track of the Twin Cities Service Unit, Iowa Area, Mason City Subdivision.