Texas Transportation Code - TRANSP § 225.069. Ports-to-Plains Corridor

(1) Interstate Highway 35 from the Mexican border at Laredo to its intersection with U.S. Highway 83;

(2) U.S. Highway 83 from its intersection with Interstate Highway 35 to its intersection with U.S. Highway 277 in Carrizo Springs;

(3) U.S. Highway 277 from its intersection with U.S. Highway 83 in Carrizo Springs to its intersection with U.S. Highway 87 in San Angelo;

(4) U.S. Highway 87 from its intersection with U.S. Highway 277 in San Angelo to Sterling City and on to Lamesa;

(5) State Highway 158 from its intersection with U.S. Highway 87 near Sterling City to its intersection with Interstate Highway 20 in Midland;

(6) Interstate Highway 20 from its intersection with State Highway 158 in Midland to its intersection with State Highway 349 in Midland;

(7) State Highway 349 from its intersection with Interstate Highway 20 in Midland to Lamesa;

(8) U.S. Highway 87 from Lamesa to its intersection with Interstate Highway 27 in Lubbock;

(9) Interstate Highway 27 from its intersection with U.S. Highway 87 in Lubbock to its intersection with U.S. Highway 287 in Amarillo; and

(10) U.S. Highway 287 from its intersection with Interstate Highway 27 in Amarillo to the Oklahoma state border.