ESCORT FLAG VEHICLE.

(a) A manufactured house that is wider than 16 feet, but is not wider than 18 feet, must have one escort flag vehicle that must:

(1) precede the house on a two-lane roadway; or

(2) follow the house on a roadway of four or more lanes.

(b) A manufactured house that is wider than 18 feet must be preceded and followed by escort flag vehicles while moving over a highway, road, or street in this state.

(c) An escort flag vehicle must have:

(1) on top of the vehicle and visible from the front and rear:

(A) two lights flashing simultaneously; or

(B) one rotating amber beacon of not less than eight inches;

(2) four red 16-inch square flags mounted on the four corners of the vehicle so that one flag is on each corner; and

(3) signs that:

(A) are mounted on the front and rear of the vehicle; and

(B) have a yellow background and black letters at least eight inches high stating "wide load."

(d) Two transportable sections of a multisection manufactured house or two single-section manufactured houses towed in convoy are considered one house for purposes of the escort flag vehicle requirements of this section if the distance between the two does not exceed 1,000 feet.

(e) The Texas Department of Transportation shall publish and annually revise a map or list of the bridges or overpasses that because of height or width require an escort flag vehicle to stop oncoming traffic while a manufactured house crosses the bridge or overpass.

(f) An escort flag vehicle may not be required under this subchapter except as expressly provided by this section.

(g) A county or municipality may not require the use of an escort flag vehicle or any other kind of escort for the movement of a manufactured house under a permit issued under this subchapter that is in addition to the escort flag vehicle requirements of this section.