...that a third track at Berne station on Hamburg U-Bahn's U1 line now used for brake tests and other U-Bahn test driving starting from nearby Farmsen railway workshop was originally built for goods service by Altrahlstedt-Wohldorfer Kleinbahn?
...that the stoppage of freight in Baltimore due to the railroad strike of 1877 threatened the city's inbound food supply and caused losses to local farmers who could not transport their goods out of the city?
...that with a descent of over 1,000 feet (300 m) in about 20 miles (32 km), Sand Patch Grade is one of the steepest railroad grades on the United States' East Coast?
...that Vienna S-Bahn's S45 service is the only S-Bahn route to operate entirely within the city limits and is also the most frequently operated S-Bahn service with intervals of 10 minutes during weekdays?