Heavyweight RPO and Observation cars ATSF Aug 2, 2015 13:40:12 GMT -5 via mobile leeinak likes this Quote Select PostDeselect PostLink to PostBack to Top Post by leeinak on Aug 2, 2015 13:40:12 GMT -5 Any idea about when to expect the release of ATSF heavyweight RPO and Observation cars? It's been a long wait.