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The U.S. Department of Transportation (DOT) and the Federal Railroad Administration (FRA) are providing this status update on railroads’ Positive Train Control (PTC) implementation. This update informs the public of: (1) the background of the PTC mandate; (2) the actions FRA has taken and...
High-speed rail (HSR) turnout design criteria generally address unbalanced lateral acceleration or cant deficiency (CD), cant deficiency change rate (CDCR), and entry and exit jerk. Various countries have adopted different design values for their HSR systems based on their unique experiences and...
This report describes GE Global Research’s research, in partnership with GE Transportation, into developing and deploying algorithms for a locomotive-based inductive sensing system that has a very high probability of detecting broken rails with very few false-positives. These algorithms are...
Nine train-to-train rear end impact tests were performed, and tests were documented. Volume III is an appendix to Volume II. It contains the original data of the impact test.