National Bicycle Route System
Adventure Cycling is working on a system of routes recognized by state transportation departments as national bike routes. Read about it here. –Corrie
Developing a U.S. Bicycle Route System
Adventure Cycling Association is part of an initiative to develop a national bike route system called the U.S. Bicycle Route System (USBRS). We serve on the Task Force for U.S. Bicycle Routes and have provided staff support to AASHTO (American Association of State Highway and Transportation Officials) since 2005. AASHTO is a national nonprofit that supports the work of state departments of transportation (DOTs), including policy, design standards, and roadway designations. The AASHTO Task Force was charged with developing a national corridor-level plan and designation system that transportation agencies can utilize for the development of bicycle routes.
Corrie maintains the 
