Sec. 623.405. ROUTE RESTRICTIONS. (a) A permit issued under this subchapter does not authorize the operation of a truck-tractor and semitrailer combination on:

(1) the national system of interstate and defense highways; or

(2) load-restricted roads or bridges, including a road or bridge for which a maximum weight and load limit has been established and posted by the Texas Department of Transportation under Section 621.102 or the commissioners court of a county under Section 621.301.

(b) Subject to Section 623.406, a permit issued under this subchapter authorizes the operation of a truck-tractor and semitrailer combination only on highways and roads approved by the Texas Department of Transportation.

Added by Acts 2017, 85th Leg., R.S., Ch. 108 (S.B. 1524), Sec. 3, eff. January 1, 2018.