(605 ILCS 5/4-208) (from Ch. 121, par. 4-208)
    Sec. 4-208. The Department may select streets in municipalities to form routes leading from business centers therein to State highways running through such municipalities and may erect and maintain suitable guide signs upon them. However, such streets shall not thereby become part of the State highway system but shall remain part of the municipal street system; but any such street may be made part of the State highway system as provided by Section 4-203.
(Source: Laws 1959, p. 196.)