Okla. Stat. tit. 69, § 69-623: Division when counties fail to agree

Should the boards of county commissioners fail to agree upon an

equitable division of such roads or upon the expense of maintenance

and construction of such roads after the division has been made, the

Director shall be authorized to settle such disputes, when called

upon to do so by the board of county commissioners of either county,

and his decision in such cases shall be final and binding upon both

counties.