Sec. 251.051.  GENERAL AUTHORITY OF COMMISSIONERS COURT.  (a)  The commissioners court of a county shall:
(1)  order that public roads be laid out, opened, discontinued, closed, abandoned, vacated, or altered;  and
(2)  assume control of streets and alleys in a municipality that does not have an active de facto municipal government.
(b)  A unanimous vote of the commissioners court is required to:
(1)  close, abandon, or vacate a public road;  or
(2)  alter a public road, except to shorten it from end to end.
(c)  The commissioners court of a county may not discontinue a public road until a new road designated by the court as a replacement is ready to replace it.
(d)  The commissioners court may not discontinue, close, or abandon an entire first-class or second-class road unless the road has been vacated or unused for at least three years.
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.