Spur 203 (Erma Avenue) is a 0.770-mile (1.239 km) state highway spur in Presidio County, Texas, United States, that runs north from U.S. Route 67 Business / Farm to Market Road 170 (US 67 Bus.

[2][3] Spur 203 was originally assigned on January 27, 1948 to a business loop of U.S. Route 75 (US 75) in McKinney in Collin County from US 75 (now Texas State Highway 5) via Tennessee street to US 75.

This routing was decommissioned and removed from the state highway system on October 28, 1961.

[1] Spur 203 was reassigned on October 21, 1977 to a business loop of U.S. Route 277 (US 277) in Weinert in Haskell County.

Geographic data related to Texas State Highway Spur 203 at OpenStreetMap