آخرڪار، ڪاٺ وارا ڦيٿا لوهي ڦيٿن ۾ ٿبديل ڪيا ويا هئا. 1767 ۾، پهريئن مڪمل لوهي ريل گاڏيو متعارف ڪرايون ويون.
Eventually, wooden wheels were replaced by iron wheels. In 1767, the first full-iron rails were introduced.