An operator moving in the opposite direction of the movement of another operator shall:
(1) move to or remain to the right; and
(2) on a roadway wide enough for not more than one line of vehicle movement in each direction, give the other operator:
(A) at least one-half of the main traveled portion of the roadway; or
(B) if complying with Paragraph (A) is not possible, as much of the roadway as possible.
Official text of the Texas Transportation Code as published by the Texas Legislative Council.