Your question doesn't really have an answer - even though lots opf people try to claim credit.
Trains - a line of cars following each other - have been around for thousand of years.
The idea of guided wheels (i.e. tracks) has been around for about 500 years -
(first in mines ... not necessarily as multiple cars, but as someting that could be reliably pushed.)
An Englishman named Trevithick invented a working steam locomotive in the late 1700's - and it did run on roads, but it was so heavy that it broke the tracks he tried to put it on.
The first American RR was the B&O (but note it was only 6 miles long) in 1832.
Others had tried (the D&H likes to make claims) but it wasn't until the B&O started that all the parts started working - sort of.
The first full-scale working railway steam locomotive was built by Richard Trevithick in the United Kingdom and, on 21 February 1804, the world's first railway journey took place as Trevithick's unnamed steam locomotive hauled a train along the tramway from the Pen-y-darren ironworks, near Merthyr Tydfil to Abercynon in south Wales.
the bullet train was invented in 1994
Train was invented first.
In 1749 the first wagon train was invented.
The first train was invented in 1803 by Samuel Homsfray.
The first train was invented in 1814,and the first car was invented in 1672. So, the car was first invented.
It was invented in Birmingham England
The person who invented the elevated train is a man by the name of George Pullman.
George Stepehenson invented the first successful steam train.
the fasted train invented would be the tgv made in briton.
The train was invented hundreds of years before cars or airplanes.
Louis-Rene Panhard and Emile Levassor invented the power train in 1894.
Richard trevithick was the one who invented the first train and it was invented in 1804.