Ballast, Ties, Rail Breaking News News and Opinion rail grinding Sound Transit Squats Track Maintenance Track Structure Squats & Studs: Emergent Damage Mechanisms on Rail Transit Systems Guest authors March 13, 2024 0 ATLANTA – Railway Track & Structures, March 2024 Issue. The unforgiving environment of the wheel/rail interface creates many damage mechanisms. These manifest in defects as varied as corrugations, rolling contact fatigue, and gage-corner cracking,…