Curving through Placedo Kansas City Southern de Mexico AC4400CW Nos. 4530 and 4540 curve south through Placedo, Texas, on March 13, 2013. The train is leaving Union Pacific’s Cuero Subdivision for the Angleton Subdivision to Bloomington. KCS’s route to Mexico involves some trackage rights on UP, such as on this former Missouri Pacific route, to reach home territory on Tex-Mex track from Robstown to Laredo.