It crosses two arms of Lake Sam Rayburn before reaching its eastern terminus at SH 21 just west of Milam, and 10 miles from the Louisiana state line. The entire route covers 63.05 miles.
This route travels across two branches of Lake Sam Rayburn before arriving at SH 21, located west of Milam, and 10 miles from the Louisiana border. The total length of this route is 63.05 miles.