auxiliary route of U.S. Route 20
C41470
concept
An auxiliary route of U.S. Route 20 is a supplementary highway, such as a business, bypass, or spur route, that branches from and reconnects to the main U.S. Route 20 to serve specific local or regional traffic needs.
Instances (2)
| Instance | Via concept surface |
|---|---|
| U.S. Route 20A in Massachusetts | — |
| U.S. Route 20 Business in Oregon | — |