Fuentes:
https://sanluis.eluniversal.com.mx/metropoli/regresara-el-tren-de-pasajeros-a-slp-te-contamos-sobre-el-proyecto
https://www.tyt.com.mx/nota/servicio-intermodal-de-mexico-a-chicago-crece-40-interanual-cpkc
https://puertointerior.guanajuato.gob.mx/ blog/2025/02/07/ferroviaria-cpkc-invertira-240-mdd-en-mexico-durante-2025
https://investor.cpkcr.com/news/press-release-details/2023/CPKC-launches-Mexico-Midwest-Express-premium-intermodal-service/default.aspx