The Louisville and Nashville Railroad was a Class I railroad

Class I railroad

A Class I railroad in the United States and Mexico, or a Class I rail carrier in Canada, is a large freight railroad company, as classified based on operating revenue.Smaller railroads are classified as Class II and Class III...

 that operated freight and passenger services in the southeast United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

.

Chartered by the state of Kentucky

Kentucky

The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...

 in 1850, the L&N, as it was generally known, grew into one of the great success stories of American business. Operating under one name continuously for 132 years, it survived civil war

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

 and economic depression

Great Depression

The Great Depression was a severe worldwide economic depression in the decade preceding World War II. The timing of the Great Depression varied across nations, but in most countries it started in about 1929 and lasted until the late 1930s or early 1940s...

 and several waves of social and technological change.