List of state highway spurs in Texas (300–399)

Spur 302 was designated on March 29, 1956, as Loop 302, connecting to US 67 at both termini, and signed as a business route of US 67.

Spur 303 was designated on February 23, 1956, from Rosedale Street (now I-820), south of the Texas and Pacific Railway overpass at Handley, east along an old interurban rail line and along Park Row Street in Arlington to the then-proposed extension of SH 360.

On July 24, 1978, the section from SE 14th Street to the intersection of Florina Drive (now Mountain Creek Parkway) and Kiest Boulevard was cancelled.

It begins at an intersection with SH 114, with Research Boulevard continuing south through Hurlwood.

The highway runs north for approximately 1 mile (1.6 km) before ending at FM 2255, just south of Reese Center.

On June 30, 1961, a 0.114-mile (0.183 km) section at the northern terminus was returned to the base's jurisdiction.

This route was cancelled on August 27, 1959, upon completion of construction, and jurisdiction was returned to the county per the original agreement.

While the former Spur 203 was designated for the former section of US 67 north of the bridge, Texas State Highway Spur 203 is the designation for the former section of US 67 (also Erma Avenue) south of the bridge (to U.S. Route 67 Business / Farm to Market Road 170).

[9] A previous route numbered Spur 312 was designated on August 17, 1956, from US 80 (now I-20) west of Abilene, south 0.8 miles (1.3 km) to Abilene Air Force Base (now Dyess Air Force Base).

Spur 313 was cancelled by district request on January 26, 2006, and returned to the cities of Lubbock and Wolfforth.

Spur 317 was designated on March 29, 1957, from US 277 southeast of Del Rio, northeastward to Laughlin Air Force Base.

Spur 324 was designated on July 15, 1957, from US 287 westward along the old location of US 287 to FM 645 in Tennessee Colony.

The roadway continues into Sheppard Air Force Base as Avenue D. Spur 325 was designated on September 27, 1957, along the current route.

[17] Spur 327 is a short freeway located in the southwestern part of Lubbock, Texas.

[21] The route starts at US 84, travels northwest, has an interchange with Loop 289, and ends at FM 835.

It was designated on August 24, 2006, when US 183/US 277/US 283 was rerouted onto a freeway bypass south and east of Seymour.

The highway runs for 1.932 miles (3.109 km) from an interchange with I-30/SH 183 to the corporate headquarters of Lockheed Martin at NAS Joint Reserve Base.

Officially named Butterowe Boulevard, but mostly known by locals as 61st Street, it stretches two miles (3.2 km) across Galveston Island.

Known locally as Fredericksburg Road, it is a major arterial for the cities of San Antonio and Balcones Heights, providing access to the headquarters of United Services Automobile Association (USAA) and to the South Texas Medical Center.

Spur 347 begins at an intersection with Grove Street near the Trinity Campus of Tarrant County College.

The highway travels in a northeast direction and intersects Pecan Street before crossing the Rock Island Line.

On December 27, 1990, by district request, the road was extended north 0.5 miles (0.80 km) to I-35E.

The route was temporarily decommissioned from 1962 to 1969 and relinquished to International Boundary and Water Commission jurisdiction while the Amistad Dam was under construction.

Spur 365 was designated on June 26, 1962, near Brookshire (corrected to Hempstead three months later) from FM 359 and then-US 290 (now US 290 Business) north to then-proposed US 290 (now current US 290).

On May 5, 1964, Spur 365 was cancelled and removed from the highway system as it was never built; the route became a portion of FM 359 in 1982.

Spur 366, also named Woodall Rodgers Freeway, is a highway that connects Beckley Avenue and Singleton Boulevard in West Dallas to Interstate 35E and U.S. Highway 75 (North Central Expressway) in central Dallas, Texas.

Spur 371 follows General Hudnell Drive from the former Kelly Air Force Base to U.S. Highway 90 (US 90) southwest of Downtown San Antonio.

The original Spur 379 was designated on February 20, 1963, from US 81 (now Business I-35) in Alvarado northeast to then-new US 67 along an old routing of US 67.

Spur 383 was designated on April 18, 1963, in Burkburnett from then-relocated US 277 west along an extension of Glendale Street to then-US 277 (now SH 240).

Spur 386 was designated on August 1, 1963, in Jacksonville, from Frankston Street north to then-new US 69 along an old routing of US 69.