Map of US highway 67 and family, and US 79
US 67 is represented by the purple line beginning in Presidio TX. Its current northern terminus is in Sabula IA; the red line extending north of there to Dubuque is the historic extent of US 67.
US 167 is the blue line beginning in Abbeville LA. Its current northern terminus is in Ash Flat AR; the red line extending north of there to Hardy is the historic extent of US 167. Southwest of Pine Bluff AR, it originally followed the red line, part of which is now a segment of US 79.
US 79 is the purple line beginning in Russellville KY. Its current southern terminus is in Round Rock TX; the red line extending south of there to Austin is the historic extent of US 79.
