Running wooden cars pulled by animal or human power on a grooved granite road perhaps the ancient Greeks invented a railroad to carry ships overland.

Jun 25, 2007 – John Crandall

His air brakes and other railroad signal and safety inventions made rail transport faster, safer, and more efficient.

Jun 5, 2007 – John Crandall

Businesses having a large number of customers can dramatically increase profits with small changes to the price. This simple economic fact led to railroad regulation.

Apr 7, 2007 – John Crandall

What do these two seemingly unrelated transportation pipelines have in common?

Dec 5, 2006 – John Crandall

Early Steam Transportation Mogul

Jul 20, 2006 – John Crandall

Although various steam motion devices had been known since the time of Hero of Alexandria. This new invention would replace horses with horsepower.

Jul 15, 2006 – John Crandall