Which innovation significantly improved transportation during the Industrial Revolution?

The innovation that significantly improved transportation during the Industrial Revolution was railroads. Railroads enabled the rapid movement of goods and people across long distances, which was previously hindered by limitations in other forms of transportation. The introduction of steam locomotives allowed for greater speed and efficiency, transforming trade and travel. Railroads reduced the cost of transporting heavy materials, facilitated the expansion of markets, and contributed to urbanization as cities became more accessible. This development was foundational in linking rural resources with urban centers and fostering economic growth, making it a critical component of the Industrial Revolution's overall progress.