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PYrvg TIL Barcodes were first invented to track railroad cars traveling across the country in the 1960s. A colored barcode was attached to steel plates on the side of train cars and scanned as they entered and exited railroad facilities.
0woQM TIL the average truck driver drives about 125,000 miles per year and can drive over 5 million miles throughout their careers.
e0vlk TIL time zones were largely created due to the rapid expansion of railroads needing a more accurate way to plan train schedules. Before, each town utilized their own local time based on the sun's position.