Phelps's Travellers' Guide Through the United States

This pocket atlas listed over 700 railroads, steamship lines, and canals in the United States and their routes of service, state by state. Frederick Douglass probably consulted a rudimentary timetable in the Baltimore newspaper or one posted at the depot for the Baltimore to Philadelphia route, described here twelve years after Douglass made his escape from slavery on the Philadelphia, Wilmington, & Baltimore Railroad.

Phelps's Travellers' Guide Through the United States (PDF)