Amend SB 686 by striking amendments number 4 and 5 from second reading and adding the following appropriately numbered SECTION to the bill and renumbering subsequent SECTIONS of the bill accordingly: SECTION ____. Subchapter A, Chapter 251, Transportation Code, is amended by adding Section 251.018 to read as follows: Sec. 251.018. SUBSURFACE ACCESS IN RIGHT-OF-WAY. (a) A county shall allow subsurface access to a county road right-of-way for the installation of a temporary water line that does not interfere with existing utilities located in the right-of-way. The county may regulate the horizontal or vertical location of the water line within the right-of-way. (b) A county may not adopt or enforce an ordinance or regulation that establishes or conflicts with a safety standard or practice applicable to a temporary water line that is regulated under state or federal law.