Ohio

State Highways

Present
1948
Business U.S. 30/Lincoln Highway in Van Wert

Township Highways

Latty Township 76
Liberty Township 294. Township marker signs generally follow this style or the style above.


Oklahoma

State Highways

Present
1948
Until 2006


Oregon

State Highways

Present
1948


Pennsylvania

State Highways

Present
1948

Toll Roads

Pennsylvania Turnpike
Pennsylvania Turnpike spur
State Route 66

Pittsburgh/Allegheny County Belt Route System

The Belt Route System provides a way to navigate around Pittsburgh and surrounding Allegheny County in lieu of an Interstate beltway.

Red Belt
Orange Belt
Yellow Belt
Green Belt
Blue Belt

Path of Progress

The Path of Progress is a 500-mile driving route through southwestern Pennsylvania which links historic sites and points of interest.

Clockwise direction
Counterclockwise direction

Wayfinder System in Pittsburgh

The Wayfinder System is a system of road signs in Pittsburgh designed to make navigating the city easier.


Puerto Rico

Territorial Highways

Primary highway
Urban primary highway
Secondary highway
Tertiary highway
All territorial highways - until 1999