National Auto Trail system
E2180502
UNEXPLORED
The National Auto Trail system was an early 20th-century network of marked, privately promoted long-distance automobile routes across the United States that predated the numbered U.S. Highway System.
All labels observed (1)
| Label | Occurrences |
|---|---|
| National Auto Trail system canonical | 1 |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.