Leading RAMS efforts for the implementation of safety-critical Positive Train Control System in several Rail Roads in the US including, EagleP3 (Denver), Sound Transit (Seattle), TRRA (St. Louis), SFRTA (South Florida), CFRC (Central Florida) and TexRail (Texas) complying with FRA & AREMA standards and interacting with Independent Safety Assessors for FRA certification. Also, pioneered implementation of FRACAS process including development, implementation and training of the FRACAS in these PTC projects.