Model of travel in major urban centers, such as Boston and New York City, were most transformed during the late nineteenth and early twentieth centuries through the use of

While steamships and ocean liners played a significant role in transatlantic travel, they did not significantly impact urban transportation within cities. These modes were primarily used for long-distance travel and commerce rather than the daily movement of city residents.

Transcontinental railroads were crucial for connecting distant regions of the country and facilitating trade and migration. However, they primarily served intercity travel and freight transport, leaving the local urban transit needs to be addressed by electric streetcars and subways within the cities themselves.

The development of highways for automobiles became prominent later in the twentieth century. While they eventually transformed urban travel in a different way, during the late nineteenth and early twentieth centuries, cities were primarily focused on expanding rail-based public transit systems.

Horse-drawn carts and carriages were prevalent before the rise of electric streetcars and subways. However, they were inefficient for handling the growing urban population and traffic demands, leading to the adoption of more modern transit solutions.