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12 Apr 2024

Research Results

SAFETY EQUIVALENCE OF APTA 8G AND GMRT 5G SEAT TESTS BASED ON HUMAN INJURY

Author
Federal Railroad Administration

Subject Rolling Stock

Keywords: Crashworthiness, dynamic sled testing, ATDs, rail passenger safety, secondary impacts, finite element analysis

Abstract:

The Federal Railroad Administration sponsored research...

Report Number
RR 24-02
Office
RDI-22

9 Feb 2024

Technical Reports

Mechanistic Investigation of Timber Crosstie Spike Fastener Failures – Phase I: The Magnitude of the Spike Failure Challenge

Author
Federal Railroad Administration

Subject Track

Keywords: track research, cut spikes, drive spikes, screw spikes, elastic fastening systems, failure analysis, broken spikes

Abstract:

The Rail Transportation and Engineering Center (RailTEC) at the University of Illinois at Urbana-Champaign (UIUC) performed a literature review, conducted an industry-wide...

Report Number
DOT/FRA/ORD-24-06
Office
RDI-21

16 Jan 2024

Other

PATH 240 Program Approval Letter

Author
RRS-11

Subject Engineer Certification

Keywords: Engineer

16 Jan 2024

Other

PATH 242 Program Approval Letter

Author
RRS-11

Subject Conductor Certification

Keywords: Conductor

8 Dec 2023

Technical Reports

Virtual Block Track Circuit Assessment Report

Subject Communications, Train Control

Keywords: Virtual block track circuit, VBTC, Positive train control, PTC, Quasi-Moving block, QMB, Higher reliability and capacity train control, HRCTC, Virtual block

Abstract:

The Federal Railroad Administration (FRA) sponsored Transportation Technology Center, Inc. (MxV Rail), in collaboration with a railroad technical advisory group (TAG), to...

Report Number
DOT/FRA/ORD-23/41
Office
RDI-23