Railroads became a major industry, stimulating other heavy industries such as iron and steel production. These advances in travel and transport helped drive settlement in the western regions of North America and were integral to the nation's industrialization.

Railroads fundamentally transformed human society by "collapsing" time and space, enabling the mass movement of people and goods at unprecedented speeds. Before the 19th-century rail boom, travel was limited by animal power and geography; railroads allowed for the industrialization of the interior, connecting landlocked resources to global markets. Socially, they led to the standardization of time (to prevent train collisions) and the growth of the "commuter" class, allowing people to live in suburbs far from their urban workplaces. Economically, railroads gave birth to the modern corporation, requiring massive pools of capital and complex management structures that were previously unknown. They also acted as a catalyst for national unity in countries like the U.S. and Canada, physically binding vast territories together. Today, the legacy of this revolution persists in our urban layouts and the global logistics networks that still rely on the efficiency of steel wheels on steel rails.