The road turns eastward along the Pecos River valley until it reaches Fort Lancaster, an old frontier Army fort maintained by the Texas Parks and Wildlife Department. The road then turns northeast climbing steeply out of the river valley and returns to I-10 at Exit 343.
A route runs eastward along the Pecos River valley before arriving at Fort Lancaster, a historic military outpost maintained by the Texas Parks and Wildlife Department. The road then ascends sharply from the river valley and reconnects with I-10 at Exit 343.