"CPKC Drives Ceremonial Final Spike, Joining Three Nations (Updated April 25, with Videos and U.S. Operations Center Rendering)"

"Canadian Pacific Kansas City (CPKC) on April 14 became the first single-line, transnational railway connecting Canada, the U.S. and Mexico, marked by a ceremonial Final Spike driving in..." (Railway Age Staff, 2023) 

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References:
Railway Age Staff. (2023, Apr 25th) CPKC Drives Ceremonial Final Spike, Joining Three Nations (Updated April 25, with Videos and U.S. Operations Center Rendering). Retrieved from Railway Age: https://www.railwayage.com/freight/class-i/cpkc-drives-ceremonial-final-spike/?RAchannel=news