§ 24-6-104 — Powers of highway authorities generally

The highway authority of the state, county, city, town, or
village may designate and establish access highways as new and
additional facilities or may designate and establish an existing
street or highway as included within an access facility. The
state or any of its subdivisions shall have authority to provide
for the elimination of intersections at grade of access
facilities with existing state and county roads, and city and
town or village streets, by grade separation or service road, or
by closing off such roads and streets at the right-of-way
boundary line of such access facility; and after the
establishment of any access facility, no highway or street which
is not part of said facility shall intersect the same at grade.
No city, town, or village street, county or state highway or
other public way shall be opened into or connected with any such
access facility without the consent and previous approval of the
highway authority in the state, county, city, town, or village
having jurisdiction over such limited access facility. Such
consent and approval shall be given only if the public interest
shall be served thereby.