Ark. Code Ann. § 14-303-307

Whenever an authority shall determine that it is necessary for transmission facilities, including tracks, pipes, mains, conduits, cables, wires, towers, poles, and other equipment and appliances of whatever nature existing or used in connection with public and private utilities, pipeline companies, or pipeline operators which now are, or hereafter may be, located in, on, along, over, or under any tollway project, to be relocated in the tollway project, or to be removed from the tollway project, the owner or operator of the transmission facilities shall relocate or remove the transmission facilities in accordance with the order of the authority involved. However, the cost and expenses of the relocation or removal, including the cost of installing the facilities in new locations, and the cost of any lands, or any rights or interest in lands and any other rights acquired to accomplish the relocation or removal, shall be ascertained and paid by the authority involved as part of the project costs.