Answer: The idea of nineteenth-century railway imperialism seems simple enough—use railways and the industry and money behind them to gain and maintain control of other people's countries and resources for the primary benefit and security of the imperial country.
The era of the modern railway started with the introduction of the steam locomotive at the beginning of the 18th century. The first steam locomotive railway was built in Great Britain by Richard Trevithick. Afterward, large networks of railways began to develop in France, Germany, and Russia besides Great Britain.
The use of the train dramatically improved the transit of people throughout the continent, as well as increased trade. This second effect improved the economy of various locations throughout Europe. As they served as stations for the trains.
The railroad had a positive impact on European colonial powers in the sense that they could increasingly exploit the amount that was produced in their colonies. This, however, also wasn't really positive for the colonies because the local populace was increasingly being exploited for the production of goods.