Or. Admin. Code § 734-032-0030 - Categories of Routes
There are two categories of routes in the Scenic Byways system. Scenic Byways include the most scenic routes with road standards that would accommodate most travelers. These routes encompass scenic, historic, recreational and cultural values of not only the roadway right-of-way, but also the adjacent visual resources. Tour Routes include all the other purely scenic routes with limited driveability as well as routes with special features. Further definition of these routes are:
Notes
Stat. Auth.: ORS 184.617 & ORS 184.619
Stats. Implemented: Intermodal Surface Transportation Efficiency Act of 1991
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