Oklahoma State Highway 63 - SH-63A

SH-63 has one lettered spur, SH-63A. SH-63A begins at SH-1/63 two miles (3 km) west of Talihina. It heads north for 1⁄₄-mile (0.40 km) before forking into two separate highways. The west fork goes to the Choctaw Nation hospital, while the east fork goes to the Oklahoma Veterans Center. The west fork is exactly 1.00 mile (1.61 km) long, and the southern and eastern forks together are 1.40 miles (2.25 km), for a total combined length of 2.40 miles (3.86 km).