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

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 is a state highway loop in Sulphur Springs, 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 (later Loop 313; now Business U.S. Highway 67-V) 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 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 (now Spur 302).

Loop 304 is a beltway within Crockett, the county seat of Houston County. It is 8.584 miles (13.815 km) in length.[4] It was established in on March 28, 1956.[4] Nearly all of the loop is two lanes wide (one lane in each direction), 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

The entire route is in Crockett, Houston County.

mi	km	Destinations	Notes
		SH 19 (South Fourth Street) – Huntsville, Trinity	Clockwise end
		FM 2110 (Austin Street) – Lovelady
		SH 7 / SH 21 (West Goliad Avenue) – Madisonville, Centerville
		FM 2076 (West Houston Avenue) – Houston County Lake
		FM 229 – Grapeland
		US 287 / SH 19 (North Fourth Street) – Dallas, Palestine, Elkhart
		FM 2022 (Old Rusk Road) – Slocum, Mound City
		SH 21 (East Houston Avenue) – Crockett, Alto, Nacogdoches
		SH 7 (East Goliad Avenue) – Lufkin, Nacogdoches
		US 287 (East Bowie Avenue) – Groveton, Corrigan, Woodville, Beaumont
		SH 19 (South Fourth Street) – Huntsville, Trinity	Counterclockwise end
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Loop 305 is a state highway loop in La Pryor.

Loop 305 was designated on March 28, 1956 as a loop off of US 83 when it was rerouted.

State Loop 306 before US 277/87 interchange

Loop 306 is a state loop that encircles much of San Angelo. 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 (Sherwood Way) 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.[6]

Junction list

The entire route is in San Angelo, Tom Green County.

mi[7]	km	Destinations	Notes
0.0	0.0	US 67 (Sherwood Way) / Bus. US 67 east – Mertzon	Western terminus
0.5	0.80	Southwest Boulevard
1.2	1.9	College Hills Boulevard
2.0	3.2	RM 584 (Knickerbocker Road)	Access to San Angelo Community Medical Center
3.0	4.8	Foster Road
4.3	6.9	US 87 north / US 277 north (Bryant Boulevard) / Ben Ficklin Road – San Angelo	East end of freeway; west end of US 87/US 277 concurrency
5.0	8.0	US 277 south / Loop 378 – Eldorado	East end of US 277 concurrency
8.7	14.0	US 87 south / FM 1223 – Eden	East end of US 87 concurrency
11.0	17.7	FM 765	Interchange
12.6	20.3	FM 388 (Paint Rock Road) – Goodfellow AFB	Interchange
14.7	23.7	FM 380 (Pulliam Street)	Interchange
15.0	24.1	US 67 / US 277 (Houston Harte Expressway)	Interchange; eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

Loop 307 was a proposed state highway loop in Teague.

Loop 307 was designated on February 23, 1956 from US 84 (now Business 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 (it was completed in 1978).

Loop 308 is a state highway loop in Briggs.

Loop 308 was designated on June 22, 1956 as a loop off of US 183 when it was rerouted.

Loop 310 was a state highway loop in Carrollton.

Loop 310 was designated on February 23, 1956 as a loop off US 77 (now IH 35E) in Carrollton. On January 21, 1991 Loop 310 was cancelled and returned to the city of Carrollton.

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 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 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 was a state highway loop in Loraine.

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

Loop 319 was a state highway loop in Trent.

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

Loop 320 was a state highway loop in Tye.

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

Loop 321 is a state highway loop in LaVernia.

Loop 321 was designated on July 16, 1957 as a loop off of US 87 when it was rerouted.

Loop 328 is a state highway loop in Carey.

Loop 328 was designated on October 30, 1957 as a loop off of US 287 when it was rerouted.

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 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[23] when TxDOT no longer needed the route.

Loop 333 was a state highway loop in Westbrook.

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

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 (now Loop 434) and west and north to US 66 (now IH 40) 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, also known as the Veterans Memorial Highway, is a state highway loop circling the city of Conroe.[28] 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.[28]

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 (now SH 46) at then-US 81 (now Business IH 35) 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.

Texas State Highway Loop 338 (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.[30]

Junction list

The entire route is in Ector County.

Location	mi	km	Destinations	Notes
​			US 385 – Andrews, Odessa
​			FM 554 north / Grandview Avenue – Gardendale, Ratliff Stadium
Odessa			SH 191 – Midland, Odessa
			I-20 BL – Midland, Odessa, Midland International Air and Space Port	Interchange
			I-20 – Abilene, El Paso	I-20 exit 121
​			FM 3503 – Odessa
​			US 385 – Odessa, Crane
​			I-20 – El Paso, Abilene	Interchange; I-20 exit 113
​			Murphy Street	Interchange
​			I-20 BL – Monahans, Odessa	Interchange
Odessa			FM 3472 (16th Street)
			FM 2020 (University Boulevard) – Odessa College
			SH 302 west / Spur 450 east to SH 191 – Kermit, Odessa, Odessa College	Interchange
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

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.[31]

Junction list

The entire route is in McLennan County. All exits are unnumbered.

Location	mi	km	Destinations	Notes
Waco			US 84 / SH 6 north – Gatesville, Waco, Meridian	Southern terminus; continues as SH 6, access to Providence Medical Center
			Imperial Drive	Northbound exit and southbound entrance
			Beverly Drive	Southbound exit and northbound entrance
			Bagby Avenue	Northbound exit and southbound entrance
Robinson			I-35 north – Fort Worth, Dallas	Northbound exit and southbound entrance
			I-35 – Fort Worth, Dallas, Austin	Access to Hillcrest Baptist Medical Center
			US 77 – Waco, Cameron
			12th Street Road
Waco			FM 434 (3rd Street Road) / FM 3400 (University Parks Drive) – Baylor University
			Brazos River turnaround	North end of freeway; northbound exit and southbound entrance
			SH 6 south / Loop 484 west – Marlin, Bryan	North end of SH 6 overlap
Bellmead			US 84 – Waco, Mexia	Interchange
			I-35 – Austin, Fort Worth, Dallas	Interchange
Waco			Bus. US 77 / FM 3051 west – Lake Waco	Northern terminus Split intersection
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Incomplete access

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 (now Cesar Chavez 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 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 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 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.

State Highway Loop 350 (Loop 350) is a loop in Sealy. It runs from SH 36 via Sealy to SH 36.[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.[36]

Loop 352 was a state highway loop in Chico.

Loop 352 was designated on August 29, 1961 as a loop off SH 114 (now SH 101) 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 354 was a state highway loop in Dallas. Loop 354 was designated on September 19, 1961 from IH-35E in the north part of Dallas, southward along the old route of US 77 to IH-35E in the south part of Dallas. On June 25, 1991, the section from Loop 12 in north Dallas to I-35E in the south part of Dallas was cancelled and given to the city of Dallas. The remainder was cancelled on March 29, 2018 and was given to the city of Dallas.[40]

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 was a state highway loop in Decatur.

Loop 357 was designated as a loop off US 81 and US 287 in Decatur then these highways were rerouted. On June 21, 1990 Loop 357 was cancelled and transferred to Business US 81-D.

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 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 is a state highway loop in Amarillo.

Loop 362 was designated on June 26, 1962 along Nelson Street from IH 10 to US 287 (now Loop 395). 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 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 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 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 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 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 (old Loop 373) and all of Business US 380-E (former Spur 129).

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 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 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 is a state highway loop in San Angelo.

Loop 378 was designated on December 4, 1968 from US 87 north of San Angelo along Chadbourne St to US 87 at Washington Drive as a replacement of US 87 when it was rerouted. On February 19, 1972, the road was extended south to US 87 when it was rerouted again. On March 29, 1988, the section from US 87 to FM 388 was given to San Angelo and the section from FM 388 to FM 1223 became part of FM 1223.

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 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 (later Spur 379, now Mays Street).

Loop 385 is a state highway loop in Bainer.

Loop 385 was designated on May 24, 1963 on the current route as a replacement of US 84 when it was rerouted.

Loop 387 was a state highway loop in Pilot Point.

Loop 387 was designated on September 26, 1963 as a loop off SH 99 (now US 377) 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 is a state highway loop in Shallowater.

Loop 388 was designated on September 26, 1963 as a loop off of US 84 in Shallowater as a replacement of US 84 when it was rerouted.

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 (it was already a portion of FM 2526).

Loop 391 is a state highway loop in Windom.

Loop 391 was designated on November 20, 1963 as a loop from FM 1743 in Windom east and north via Main Street to US 82.

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 is a state highway loop in Goodrich.

Loop 393 was designated on November 20, 1963 as a loop off of US 59 in Goodrich as a replacement for US 59 when it was rerouted.

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 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.