"Destination," for the purpose of this chapter, means a business, service, activity, or site that meets the program requirements established in rule 761-119.3 (321).
"Primary highway," for the purpose of this chapter, means those roads and streets both inside and outside the boundaries of municipalities which are under department jurisdiction but does not include an interstate highway or a freeway primary highway as defined in Iowa Code section 306C.10.
"Tourist-oriented directional signing" means a system of guide signs with one or more sign panels that display the identification of and directional information for an eligible destination.
Iowa Admin. Code r. 761-119.1