For the purpose of this chapter, the following definition shall apply unless the context clearly indicates or requires a different meaning.
CONTROLLED ACCESS FACILITY. A highway or street especially designed for through traffic, and over, from or to which owners or occupants of abutting land or other persons have no right or easement or only a controlled right or easement of access, light, air or view by reason of the fact that their property abuts upon the controlled access facility or for any other reason.
(Iowa Code § 306A.2) (1999 Code, § 140.02)