ยง264-25ย  Signs and markings on federal-aid
highways.ย  On any federal-aid highway, the location, form, and character of
informational, regulatory, and warning guideposts, direction boards, signs,
curb, and pavement or other markings, and traffic signals, installed or placed
by or under the authority of any county, shall be subject to the approval of
the director of transportation or the director's authorized representative.ย 
The director shall exercise the authority conferred upon the director in such
manner as to protect and promote the securing of federal-aid for highways. [L
1945, c 172, ยง1; RL 1955, ยง111-5; am L Sp 1959 2d, c 1, ยง26; HRS ยง264-25; gen
ch 1985]