The Pony Express mail service lasted only 19 months, but it created an immediate sensation and won a permanent place in the history of the American West.Today, the Pony Express Trail still beckons the adventurous and modern highways overlay much of the route. These corridors near the original trail routCheck out the Platte County, WY Pony Express stations.e are called Auto Tour Routes. 

Check out the National Park Service Pony Express website.