To Original Route Sign
These road signs guide visitors to segments of the original route (of the historic trail) that already have Original Route signs in place. These signs cannot be used if the historic route has not been signed with Original Route signs. They should ensure that the general public has sufficient guidance so they can easily follow and locate the original route.
Did You Know?
Until discovered by William Sublette in the 1830s, most Americans thought the Rocky Mountains were impassable. Lewis and Clark passed through the Rockies north of this location, via the Missouri River in 1805. More...