What primary constraint limited the usefulness of reliable rail networks for achieving true point-to-point autonomy?

Answer

They remained tethered to the iron track, limiting destinations to stations

While railroads offered high-speed long distance travel, they were tethered to fixed tracks, meaning that even with a ticket, the destination was limited to stations, necessitating secondary transport to reach the final location.

What primary constraint limited the usefulness of reliable rail networks for achieving true point-to-point autonomy?
inventionTraveltransportfreedom