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


State highway loops in Texas are owned and maintained by the Texas Department of Transportation.

Loop 300

Loop 300 was a proposed state highway loop in Snyder.
Loop 300 was designated on February 23, 1956 from US 180 west of Snyder around the city's west and south sides to US 84 southeast of Snyder. The route was never built, and was cancelled on October 1, 1968.

Loop 301

Loop 301 is a state highway loop in Sulphur Springs, Texas, it starts at the junction of SH 19 and SH 154, and ends at Interstate 30/US 67.
Loop 301 was designated on February 23, 1956, from US 67 and SH 19 in west Sulphur Springs, northward to SH 154. On September 21, 1965, it was extended southeast to IH 30. On April 27, 1967, the section from SH 154 southwest to Loop 313 was transferred to SH 19.

Loop 302

Loop 302 was a state highway loop in Greenville.
Loop 302 was designated on March 29, 1956 as a loop off US 67 in Greenville as a replacement of US 67 when it was rerouted. The route was signed as Business US 67 rather than Loop 302. On December 14, 1960 the section from along Wellington Street from Lee Street to the south side of Greenville was removed from the highway system. The remainder of Loop 302 was cancelled on June 21, 1990 and transferred to Business US 67-T.

Loop 304

Loop 304 is a beltway within Crockett, the county seat of Houston County, Texas. It is in length. It was established in on March 28, 1956. Nearly all of the loop is two lanes wide, and provides access for long distance travelers and trucks to bypass the downtown core. Populated areas also dot outside the loop, but have less population density.
;Junction list

Loop 305

Loop 306

Loop 306 is a state loop that encircles much of San Angelo, Texas. Loop 306 begins on the north side of San Angelo, at the US 67/277 interchange, and continues south on the eastern edge of town. The highway multiplexes with US 87 while being routed west. The multiplex ends at the US 87/277/Loop 306 interchange, with Loop 306 routed northwest. Loop 306 ends at the Business US 67 overpass, however the freeway continues and is signed as US 67, Houston Harte Expressway; named after the San Angelo-native publishing magnate. The route is often referred to locally as "the Loop" or "Loop 306", despite the terminus of Loop 306 at Sherwood Way. TxDOT upgraded portions of Loop 306 to expand it from a two-lane road to a four-lane divided highway. From the US 67/277 interchange, Loop 306 continues as a four-lane divided highway all the way to US 87. The upgrades included adding two overpasses and improvements to a divided highway.
Loop 306 was designated on October 24, 1956. On July 30, 1976, the section from US 67 west and southwest to US 67 was transferred to rerouted US 67.
;Junction list

Loop 307

Loop 307 was a proposed state highway loop in Teague.
Loop 307 was designated on February 23, 1956 from US 84 north of Teague east and south to SH 179, 1 mile east of Teague. On October 21, 1959 the section from old US 84 to new US 84 was redesignated as US 84. The remainder of Loop 307 was cancelled on April 30, 2004 and removed from the highway system because the route was already part of FM 553.

Loop 308

Loop 310

Loop 310 was a state highway loop in Carrollton.
Loop 310 was designated on February 23, 1956 as a loop off US 77 in Carrollton. On January 21, 1991 Loop 310 was cancelled and returned to the city of Carrollton.

Loop 311

Loop 311 was a state highway loop in Kilgore.
Loop 311 was designated on August 1, 1956 from SH 259 in downtown Kilgore west 2.4 miles to SH 135 near the west edge of Kilgore. The route was signed as Business SH 135 rather than Loop 311. On June 14, 1968 Loop 311 was cancelled and removed from the highway system.

Loop 313

Loop 313 was a state highway loop in Sulphur Springs.
Loop 313 was designated on September 16, 1956 from SH 19/US 67, north along SH 19 to old US 67 at the west edge of Sulphur Springs, then east along old US 67 to new US 67 near the east edge of Sulphur Springs as a replacement of US 67 when it was rerouted. The route was signed as Business US 67 rather than Loop 313. On April 27, 1967 the section along SH 19 was cancelled and Loop 313 was extended to IH 30, replacing FM 164. On November 30, 1987 a section was rerouted in the downtown area, moving the eastern terminus to Loop 301. Loop 313 was cancelled on June 21, 1990 and transferred to Business US 67-V.

Loop 315

Loop 315 was a state highway loop in Greenville.
Loop 315 was designated on November 21, 1956 from US 69 near Peniel south to US 67 southwest of Greenville. On November 30, 1961 the road was extended east over old US 67 to IH 30, and southeast to US 69 on October 13, 1971. On May 21, 1979 Loop 315 was routed over US 69 while the old route of Loop 315 was transferred to US 69. Loop 315 was cancelled on June 21, 1990 and transferred to Business US 69-D.

Loop 316

Loop 316 was a state highway loop in Loraine.
Loop 316 was designated on February 26, 1957 as a loop off US 80 in Loraine. On June 21, 1990 Loop 316 was cancelled and transferred to Business IH 20-K.

Loop 318

Loop 318 (1957)

The first use of Loop 318 was in Callahan County, from US 380 west and north to FM 576, then east along FM 576 to US 380. Loop 318 was cancelled three months later and transferred to FM 880 and FM 880 Spur.

Loop 318 (1960)

The second use of the Loop 318 designation was in Washington County, as a loop off US 290 in Brenham. This was the former routing of US 290 before it was rerouted on top of a section of Loop 283. On February 28, 1973 the section from US 290 west of Brenham to Market Street was transferred to SH 105. The remainder of Loop 318 was cancelled on June 21, 1990 and transferred to Business US 290-F.

Loop 319

Loop 319 was a state highway loop in Trent.
Loop 319 was designated on April 23, 1957 as a loop off US 80 in Trent. On June 21, 1990 Loop 319 was cancelled and transferred to Business IH 20-N.

Loop 320

Loop 320 was a state highway loop in Tye.
Loop 320 was designated on May 31, 1957 as a loop off US 80 in Tye. On June 21, 1990 Loop 320 was cancelled and transferred to Business IH 20-Q.

Loop 321

Loop 322

Loop 323

Loop 328

Loop 329

Loop 329 was a state highway loop in Columbus.
Loop 329 was designated on February 16, 1982 from SH 71, 4 miles northwest of Columbus, southeast and south 5.1 miles along Fannin Street to IH 10. This was formerly a portion of SH 71 before it was rerouted. On June 21, 1990 Loop 329 was cancelled and transferred to Business SH 71-F.

Loop 332

Loop 332 was a state highway loop in Liberty Hill.
Loop 332 was designated on January 22, 1958 as a loop off SH 29 in Liberty Hill. On January 31, 2019 Loop 332 was cancelled and returned to the city of Liberty Hill when TxDOT no longer needed the route.

Loop 333

Loop 333 was a state highway loop in Westbrook.
Loop 333 was designated on February 22, 1958 as a loop off US 80 in Westbrook. On June 21, 1990 Loop 333 was cancelled and transferred to Business IH 20-H.

Loop 334

Loop 334 (1958)

The first use of the Loop 334 designation was in Bexar County, from FM 1604 and IH 10 west and south to US 90. On February 27, 1958 the road was extended southwest 3.5 miles to FM 2173 near Macdona. Loop 334 was cancelled on August 7, 1959 and transferred to FM 1604.

Loop 334 (1981)

The next use of the Loop 334 designation was in Panola County as a loop off US 79 in Carthage. The same day a break in the route was added at Loop 455. The route was signed as US 79 Business rather than Loop 334. Loop 334 was cancelled on June 21, 1990 and transferred to Business US 79-G.

Loop 335

Loop 335 is a state highway loop that encircles Amarillo.
Loop 335 was designated on January 18, 1960 from US 60/US 87 south of Amarillo east and north to US 287 east of Amarillo. On January 31, 1961 the road was extended north and west to US 87/US 287 and west and north to US 66 on July 30, 1965. On June 21, 1977 the road was extended to new US 87/US 287, replacing a section of FM 1719. On July 24, 1984 the road was extended 10 miles north, northeast and east to US 287, replacing a second section of FM 1719 and completing the loop around Amarillo. On April 21, 2018 the road was rerouted along FM 2186 with the old route transferred to FM 2590, although this will not be effective until construction is complete on this section.

Loop 336

Loop 336, also known as the Veterans Memorial Highway, is a state highway loop circling the city of Conroe. Through trucks traveling east and west are directed onto this loop, as they are prohibited on SH 105 inside Conroe.
Loop 336 was designated on September 27, 1960 as a loop off SH 105 in Conroe. On November 20, 1984 the road was extended around the eastern and southern sides of Conroe to FM 2854 west of Conroe. On February 23, 1989 the road was extended north 1.1 miles from FM 2854 to SH 105, replacing FM 3374 and completing the loop around Conroe.

Loop 337

Loop 337 is a state highway loop in New Braunfels.
Loop 337 was designated on June 1, 1960 from IH 35 southwest of New Braunfels north, east and south to FM 25 at then-US 81 east of the Guadalupe River. On February 26, 1972 the road was extended to IH 35, replacing a section of FM 25. On May 14, 1990 the route description was modified to show that SH 46 was rerouted concurrent with Loop 337.

Loop 338

Texas State Highway Loop 338 is a state highway loop that encircles the city of Odessa. Unlike Loop 250 in neighboring Midland, Loop 338 is not a freeway at any point. Instead, it runs as a divided expressway, divided highway and undivided road.
Loop 338 was designated on September 26, 1960, from US 80, 2.5 miles west of Odessa, north, east, and south around Odessa to then-proposed IH 20. On June 30, 1961 the section from US 80 to IH 20 was transferred to FM 1357, while Loop 338 was rerouted over a section of FM 1357 from US 80 to a point 2.7 miles north. On April 3, 1964 the road was extended to IH 20 east of Odessa, replacing FM 1357. On September 30, 1964 the road was extended south 0.6 mile to IH 20. On September 26, 1967, the section from IH 20 to SH 302 was transferred to SH 302. On September 27, 1985 the road was extended southeast to US 385, creating a concurrency with SH 302. On February 25, 1992 the road was extended west and north to IH 20, completing its current route.
;Junction list

Loop 340

Texas State Highway Loop 340 is a state highway loop encircling Waco.
Loop 340 was designated on September 27, 1960, running from US 84 southeast and east to US 77 south of Waco. On February 26, 1964 the road was extended northwest 5 miles to US 84 east of Bellmead, replacing Loop 232. On February 29, 1968, the road was extended northwest 1.7 miles to FM 3051, west of US 81. On September 25, 1984, SH 6 was rerouted concurrent with Loop 340; the old route of SH 6 became Loop 484.
;Junction list

Loop 343

Loop 343 is a state highway loop in Austin.
Loop 343 was designated on May 30, 1961 from SH 71 east of Austin near Bergstrom Air Force Base, north along US 183, then west and south to US 290 near western Austin. Portions of the route were formerly SH 71 and US 290 before they were rerouted onto Loop 293. On February 25, 1977 Loop 343 was rerouted along 1st Street with the former route removed altogether. On November 10, 1986 the section from SH 71 north and east to IH 35 was removed from the highway system and returned to the city of Austin.

Loop 344

Loop 344 is a state highway loop in Azle.
Loop 344 was designated on November 22, 1960 as a loop off SH 199 in Azle as a replacement of SH 199 when it was rerouted.

Loop 345

Loop 345 was a state highway loop in San Antonio.
Loop 345 was designated on January 26, 1962 as a loop off IH 10 in San Antonio as a replacement of US 87 when it was rerouted. The route was signed as US 87 Business until 1992. On December 18, 2014 the section from Balcones Heights south to IH 10 was removed and returned to the city of San Antonio and the remainder was redesignated as Spur 345.

Loop 346

Loop 346 was a state highway loop in Kemp.
Loop 346 was designated on June 25, 1984 as a loop off US 175 in Kemp as a replacement of US 175 when it was rerouted. On June 21, 1990 Loop 346 was cancelled and transferred to Business US 175-D.

Loop 350

State Highway Loop 350 is a loop in Sealy, Texas. It runs from SH 36 via Sealy to SH 36.
The number originally belonged to Spur 350, which was designated on April 19, 1961, from SH 121 to SH 183. On August 29, 1979, this became part of rerouted SH 183, and old SH 183 was renumbered SH 10. The current route was designated on February 7, 1983.

Loop 352

Loop 352 was a state highway loop in Chico.
Loop 352 was designated on August 29, 1961 as a loop off SH 114 in Chico as a replacement of SH 114 when it was rerouted. On June 21, 1990 Loop 352 was cancelled and transferred to Business SH 101-B.

Loop 353

Loop 354

Loop 355

Loop 355 was a state highway loop in Abilene.
Loop 355 was designated as a loop off IH 20 in Abilene as a replacement of US 80 when it was rerouted along the current IH 20. The route was signed as Business US 80 rather than Loop 355. On June 21, 1990 Loop 355 was cancelled and transferred to Business IH 20-R.

Loop 357

Loop 358

Loop 358 was a state highway loop in Orange.
Loop 358 was designated on April 30, 1962 as a loop off IH 10 in Orange as a replacement of US 90 when it was rerouted. The route was signed as Business US 90 rather than Loop 358. On June 21, 1990 Loop 358 was cancelled and transferred to Business US 90-Y.

Loop 360

Loop 361

Loop 361 is a state highway loop in Bedias.
Loop 361 was designated on June 25, 1962 from SH 90/FM 1696 in Bedias west and south to FM 1696.

Loop 362

Loop 362 is a state highway loop in Amarillo.
Loop 362 was designated on June 26, 1962 along Nelson Street from IH 10 to US 287. Although Loop 362 was cancelled on June 21, 1990 and transferred to Business US 287-C, it was changed back to Loop 362 four months later.

Loop 363

Loop 365

Loop 365 was a state highway loop in Lavon.
Loop 365 was designated on April 24, 1967 as a loop off SH 78 in Lavon as a replacement of SH 78 when it was rerouted. The route was signed as SH 78 Business rather than Loop 365. On June 21, 1990 Loop 365 was cancelled and transferred to Business SH 78-G.

Loop 367

Loop 367 (1962)

The first use of the Loop 367 designation was in Scurry County as a loop off US 84 in Hermleigh. The route was signed as US 84 Business rather than Loop 367. On June 21, 1990 Loop 367 was cancelled and transferred to Business US 84-H.

Loop 367 (1996)

The next use of the Loop 367 designation was in Johnson County, from US 67, 3.3 miles west of US 67/SH 174 in Cleburne, north and east 7.9 miles to SH 174, 1 mile north of SH 174/SH 171, north of Cleburne. Loop 367 was cancelled six months later by district request and transferred to US 67 when it was rerouted; the former route of US 67 became Business US 67.

Loop 368

Loop 368 is a state highway loop in San Antonio.
Loop 368 was designated on August 1, 1962 from IH 35 at Fratt southwest along old US 81 to IH 35 and Broadway as a replacement of US 81 when it was rerouted east. The route was signed as Business US 81 until 1991 when US 81 was decommissioned in favor of IH 35. On December 18, 2014 the section from Alamo Heights to IH 410 was planned to be removed from the highway system. This section will be removed when construction is complete.

Loop 369

Loop 370

Loop 370 was a state highway loop in Wichita Falls.
Loop 370 was designated on September 25, 1962 from US 287 near northwestern Iowa Park east via Wichita Falls to SH 79/Loop 165. The route was signed as US 287 Business rather than Loop 370. On February 8, 1972 the western terminus was moved to US 287 in Iowa Park. Loop 370 was cancelled on June 21, 1990 and transferred to Business US 287-J.

Loop 372

Loop 372 was a state highway loop in Rowlett.
Loop 372 was designated on February 28, 1962 from SH 66 west of Long Branch south and east to Liberty Grove Road, then north to then-proposed SH 66. On December 19, 1991 Loop 372 was cancelled and transferred to Business SH 66-G.

Loop 373

Loop 373 is a state highway loop in Bridgeport.
Loop 373 was designated on March 29, 2007 from US 380 south, west, and south to SH 114 as a replacement of a section of Business SH 114-H and all of Business US 380-E.

Loop 373 (1962)

The original Loop 373 was designated on November 1, 1962 from FM 920 and new SH 114 east to Spur 129, then south to SH 114. On June 21, 1990 Loop 373 was cancelled and transferred to Business SH 114-H.

Loop 374

Loop 374 was designated on March 20, 1963 from US 83 near western Mission east to US 83 near western Harlingen. The designation became effective when traffic was routed on new US 83. The route was also signed as US 83 Business rather than Loop 374. On March 2, 1967 the road was extended west 5.5 miles to US 83, 0.5 mile west of FM 1427. On September 27, 1987 Loop 374 was rerouted in Mission. On June 21, 1990 Loop 374 was cancelled and transferred to Business US 83-S.

Loop 375

Loop 376

Loop 376 was a state highway loop in Winnie.
Loop 376 was designated on October 31, 1962 from SH 124/FM 1406 at Winnie, east and northeast 1.3 miles to SH 73. On August 4, 1988 Loop 376 was cancelled by district request and transferred to FM 1406.

Loop 377

Loop 377 was a state highway loop in Colorado City.
Loop 377 was designated on January 14, 1963 as a loop off IH 20 in Colorado City as a replacement of US 80 when it rerouted onto the current IH 20. The designation became effective when traffic was routed onto IH 20. The route was also signed as US 80 Business rather than Loop 377. On June 21, 1990 Loop 377 was cancelled and transferred to Business IH 20-J.

Loop 378

Loop 382

Loop 382 was a state highway loop in Grapevine.
Loop 382 was designated on April 18, 1963 as a loop off SH 114 in Grapevine as a replacement of SH 114 when it was rerouted. The route was signed as SH 114 Business rather than Loop 382. On June 21, 1990 Loop 382 was cancelled and transferred to Business SH 114-L.

Loop 384

Loop 384 was a state highway loop in Round Rock.
Loop 384 was designated on August 1, 1963 as a loop off IH 35 in Round Rock as a replacement off US 81 when it was rerouted. The route was signed as Business US 81 rather than Loop 384. On June 21, 1990 Loop 384 was cancelled and transferred to Business IH 35-L.

Loop 385

Loop 387

Loop 387 was a state highway loop in Pilot Point.
Loop 387 was designated on September 26, 1963 as a loop off SH 99 in Pilot Point as a replacement of SH 99 when it was rerouted. On December 19, 1991 Loop 387 was cancelled and transferred to Business US 377-E.

Loop 388

Loop 389

Loop 389 is a state highway loop in Carbon.
Loop 389 was designated on September 26, 1963 as a loop off SH 6 in Carbon as a replacement of SH 6 when it was rerouted. The route was signed as SH 6 Business rather than Loop 389. On March 2, 1967 a 0.7 mile section from FM 2526 north to SH 6 was cancelled.

Loop 390

Loop 391

Loop 392

Loop 392 was a state highway loop in Alvarado.
Loop 392 was designated on November 20, 1963 as a loop off IH 35W in Alvarado. The route was signed as US 81 Business rather than Loop 392. On October 25, 1990 Loop 392 was cancelled and transferred to Business IH 35-V.

Loop 393

Loop 395

Loop 395 is a state highway loop in Amarillo.
Loop 395 was designated on December 20, 1963 from IH 40 and Tee Anchor Boulevard along old US 287 to Pierce Street. On June 21, 1990 Loop 395 was transferred to Business US 287-B, but was transferred back to Loop 395 four months later.

Loop 396

Loop 396 is a state highway loop in Waco.
Loop 396 was designated on May 27, 1969 as a redesignation of Spur 396 when it was extended to SH 6.