The Association of American Railroads (AAR) has recently issued a notice of revisions to address required gauges and publications other than on repair tracks. The target implementation date is July 1, 2022. Download circular letter here.
The Association of American Railroads (AAR) has recently issued a notice of revisions to address required gauges and publications other than on repair tracks. The target implementation date is July 1, 2022. Download circular letter here.