When the steam locomotive was introduced in the 1800s and continued to be improved upon, it allowed people to travel faster and longer distances. As such, railroad maps can give us clues to questions such as:
Railroad maps can answer these questions, and many more.
See below for a list of examples of railroad maps that you can start your research with.
Map of the Connecticut River Line and Connections, 1886 NYPL Digital Collections Image ID 57181847
When searching the Online Research Catalog for road maps, in the Advanced Search, checkmark "Cartographic" under Format and type the following into the Keyword Field or Subject Field for most results:
For holdings of other years and places that are not in the Online Research Catalog, please search in the printed Dictionary Catalog of the Map Division (available online via HathiTrust), in volume 8 p. 340, under Railways.
In addition, please note that railroad routes are often also depicted on steamship/steamboat maps, so we do recommend searching for these types of maps as well for a more complete search. You can find recommended tips on how to search for steamship/steamboat maps via our Steamship/Steamboat Maps Tab.