Historical Marker
Plank Road
Historical marker location:
2610 State Street, Alton, Illinois
( Marker is at the intersection of State Street and West Dalmar Avenue, on the right when traveling south on State Street.)
Marker installed: 2019
The famous Route 66, one of the first highways in the U.S., passed through Illinois. The highway, which stretched from Chicago to Santa Monica, California, was a popular route for tourists and truckers and played an important role in American culture and history.