They started building the railroad in 1863 and it ended in 1869. They laid 1,775 miles of track and over 2,000 men died making the railroad. The Big Four that helped the making of it was Collins P. Huntington, Mark Hopkins, Leland Stanford, and Charles Crocker. It was a very dangerous thing but they got it done and it was a very good thing for the U.S.A. They met in the middle at Promontory Point, Utah on May 10, 1869.