At first, trains carried freight only.In 1825
the Stockton and Darlington Railway in England started to operate
regular services for passengers.George Stephenson designed a steam
locomotive called "Locomotion" to pull passenger cars.On
September 27th,1825 the locomotive to pull a special train to
mark the first steam-hauled public railroad.Tom Thumb, built in
1829 first ran in 1830 on the Baltimore and Ohio railroad to Ellicots
Mill, Maryland.This was the first public railroad in the United
States.More trains meant more locomotives.The Orient Express is
the worlds most famous train.The largest trains ever built were
"Big Boys."They were in service between 1941 and 1944.They
carried enormous freight trains that weighed about 3,960 tons!They
also went up steep slopes in the Rocky Mountains.The locomotive
and tender were almost 131 feet long and 16 feet high.They almost
weighed 594 tons.They can run up to 80 miles per hour.The last
stake was driven in at Promontory,Utah for the Continental railroad,
it streched all the way across America.