Neb. Rev. Stat. § 39-1336: Neb. Rev. Stat. § 39-1336

The department and the governing bodies of any political or governmental subdivision or any public corporation of this state may enter into agreements with each other respecting the planning, designating, financing, establishing, constructing, improving, maintaining, using, altering, relocating, regulating, or vacating of controlled-access roads except any toll facilities.