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Over recent years, much attention has been paid to the urgent need for the United States to modernize its transportation system in order to move our country forward in a mobile, knowledge-based economy. Congress rightfully recognized that to achieve this goal, our transportation system must include...
With California’s growing population, the state was understandably focused on building out a high-speed rail system that would serve its growing communities … because two railroad tracks can carry as many travelers in an hour as 16 lanes of a congested freeway.
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...