Wherever they want the train to go. Or under the wheels.
They gave them lots of land to build the tracks on. Another answer: railroads were given checker-board parcels of land on which to build their road beds, and afterward the railroads could sell the land for profit to settlers.
They assisted in the acquisition of land for the tracks to go through.
Railroads use a LOT of steel. The Bessemer process reduced the cost of making good quality steel. That meant that railroads could afford to buy the rails to build more tracks to more places.
central pacific
The North had more miles of railroads tracks then the South
The North had more miles of railroads tracks then the South
Trains drive on railroads or tracks.
To build railroads. Apex
They gave them lots of land to build the tracks on. Another answer: railroads were given checker-board parcels of land on which to build their road beds, and afterward the railroads could sell the land for profit to settlers.
Yes there were Irish immigrants that helped to build railroads.
what is a fault
That's unknown ... tracks to guide cars were around long before railroads were invented.