For purposes of implementing the requirements of RCW 47.12.080 relative to state highways, the following definitions shall apply:
(1) Turnback - The practice of turning over real property to local agencies for highway use by deed.
(2) Department - The Washington state department of transportation (WSDOT).
(3) Design concurrence - A signed document between the local agency and the department on the proposed design standards and elements to be applied within the designated preliminary turnback areas.
(4) Turnback areas - The portions of right-of-way identified within right of way plans that will be conveyed by deed to a local agency.
(5) Limited access highway - All highways listed as "established limited access (L/A)" on the limited access and managed access master plan and where the rights of direct access to or from abutting lands have been acquired from the abutting landowners. Levels of limited access are defined in WAC 468-58-010. The limited access and managed access master plan is available through the department's website at https://wsdot.wa.gov/business-wsdot/development-services-and-access.
(6) Local agency - For the purposes of this chapter, a unit of local government or officially designated transportation authority that has the responsibility for planning, construction, operation, maintenance, and/or jurisdiction over transportation facilities.
(7) Managed access highway - Any highway not listed as "established L/A" on the limited access and managed access master plan and any highway or portion of a highway designated on the plan as "established L/A" until such time as the limited access rights are acquired.
(8) Turnback agreement system - The centralized electronic system within WSDOT's enterprise content management (ECM) portal that is used for the development, review, approval, and retention of turnback agreements between the department and local agencies.
(9) Right of way - A general term denoting land or interest therein, acquired for or designated for transportation purposes. More specifically, land in which the department, a county, or a municipality owns the fee simple title, has an easement devoted to or required for use as a public road and appurtenant facilities, or has established ownership by prescriptive right, or lands that have been dedicated for public transportation purposes.
(10) State highway system - All roads, streets, and highways designated as state routes in compliance with chapter 47.17 RCW.