Why was the railway so important in 1820?

In 1820, the railway was crucial for transforming transportation and commerce. It enabled faster, more efficient movement of goods and people, significantly reducing travel times compared to traditional methods like horse-drawn carriages. This innovation facilitated industrial growth and urbanization, connecting remote areas to markets and resources. Additionally, the railway played a key role in fostering economic expansion and societal change during the early stages of the Industrial Revolution.