State highway loops in Texas are owned and maintained by the Texas Department of Transportation (TxDOT).
Loop 300 was a proposed route in Snyder. It was designated on February 23, 1956, from US 180 west of the city, around its west and south sides, to US 84 southeast of it. The route was never built, and the designation was cancelled on October 1, 1968.[1]
Loop 301 is located in Sulphur Springs. It runs from the junction of SH 19 and SH 154 to I-30/US 67.
Loop 301 was designated on February 23, 1956, from US 67 (later Loop 313; now Bus. US 67) and SH 19 in west Sulphur Springs, northward to SH 154. On September 21, 1965, it was extended southeast to I-30. On April 27, 1967, the section from SH 154 southwest to Loop 313 was transferred to SH 19.
Loop 302 was located in Greenville. It became Bus. US 67, which is 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.
The entire route is in Crockett, Houston County.
ループ 305号線はラ・プライアーに位置しています。
ループ 305号線は、国道83号線がルート変更された際に、そこから分岐するループ道路として1956年3月28日に指定された。
ループ305号線は、町の西端付近にある国道83号線と国道57号線の交差点から始まります。ループ305号線は、国道57号線と並行して走行した後、ノース・プライアー・アベニューへと分岐します。この道路はノース・プライアー・アベニューに沿って進み、町の北端付近にある国道83号線との交差点で終点となります。

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 Bus. 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. 国道67号線と277号線のインターチェンジから、ループ306号線は国道87号線 まで4車線の分離帯付き高速道路として続いています。今回の改良工事には、2つの高架橋の増設と分離帯付き高速道路の改良が含まれていました。
ループ 306は1956年10月24日に指定されました。1976年7月30日、US 67の西と南西からUS 67までの区間は、ルート変更されたUS 67に移管されました。[ 7 ]
ルート全体はトム・グリーン郡内にあります。
Loop 307 was a proposed route in Teague. It was designated on February 23, 1956, from US 84 (now Bus. US 84) north of Teague, east and south to SH 179, 1 mile (1.6 km) east of Teague. On October 21, 1959, part of the route was transferred to US 84 when that highway was rerouted. On November 25, 1975, FM 553 was designated on the remaining route, but Loop 307 was not cancelled until April 30, 2004.[10][11]
Loop 308 is located in Briggs.
Loop 308 was designated on June 22, 1956, as a loop off of US 183 when it was rerouted.
The entire route is in Burnet County.
Loop 310 was located in Carrollton. It was designated on February 23, 1956, as a loop off US 77 (now I-35E). Loop 310 was cancelled on November 21, 1991, and returned to the city of Carrollton.
Loop 311 was located in Kilgore.
Loop 311 was designated on August 1, 1956, from SH 259 (now SH 42) in downtown Kilgore west 2.4 miles (3.9 km) to SH 135 near the west edge of Kilgore. The route was signed as Bus. SH 135 rather than Loop 311. On June 14, 1968, Loop 311 was cancelled and removed from the highway system due to the completion of the rerouting of SH 42.
Loop 313 was located in Sulphur Springs. It ran along a former alignment of US 67. It is now Bus. US 67.
Loop 315 was located 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 I-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 Bus. US 69.
Loop 316 was located in Loraine. It is now Business I-20.
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 Spur 880.
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 Bus. US 290.
Loop 319 was located in Trent. It is now Business I-20.
Loop 320 was located in Tye. It is now Business I-20.
Loop 321 is located in Wilson County. It is the former route of US 87 through La Vernia.
Loop 322 is a 7.167-mile (11.534 km)loop route in the city of Abilene in the U.S. state of Texas. It is located in Taylor County.
Loop 323 is a state highwayloop in Texas in the United States. It is a 19.7-mile (31.7 km) highway circling the city of Tyler in Smith County.
Loop 328 is located in Carey.
Loop 328 was designated on October 30, 1957, as a loop off of US 287 when it was rerouted.
Loop 329 was located in Columbus.
Loop 329 was designated on February 16, 1982, from SH 71, 4 miles (6.4 km) northwest of Columbus, southeast and south 5.1 miles (8.2 km) along Fannin Street to I-10. This was formerly a portion of SH 71 before it was rerouted. On June 21, 1990, Loop 329 was cancelled and transferred to Bus. SH 71.
Loop 332 was located in Liberty Hill. Its western terminus was at SH 29. The route headed southeast on a two-lane undivided road that became Main Street. It crossed RM 1869 before turning east at CR 279. Loop 332 crossed a railroad line that is owned by the Capital Metropolitan Transportation Authority and used by the Austin Western Railroad. Loop 332's eastern terminus was at another intersection with SH 29.[27][28][29]
Loop 332 was designated on January 22, 1958, as a loop off SH 29 in Liberty Hill.[27] On January 31, 2019, Loop 332 was cancelled and returned to the city of Liberty Hill by request of the city council.[29][30]
Loop 333 was located in Westbrook. It is now Business I-20.
The first use of the Loop 334 designation was in Bexar County, from FM 1604 and I-10 west and south to US 90. On August 29, 1958, the road was extended southwest 3.5 miles (5.6 km) to FM 2173 near Macdona. Loop 334 was cancelled on August 7, 1959, and transferred to FM 1604 (now Loop 1604).
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 (now Bus. US 59). The route was signed as US 79 Business rather than Loop 334. Loop 334 was cancelled on June 21, 1990, and transferred to Bus. US 79.
Loop 335 encircles Amarillo.
ループ 335は、1960年1月18日に、アマリロの南にあるUS 60/US 87から東と北にアマリロの東にあるUS 287まで指定されました。1961年1月31日、この道路は北と西にUS 87/US 287(現在のループ434)まで、1965年7月30日には西と北にUS 66(現在のI-40)まで延伸されました。1977年6月21日、この道路は新しいUS 87/US 287まで延伸され、FM 1719の一部区間が置き換えられました。1984年7月24日、この道路は北、北東、東に10マイル(16km )延伸され、US 287まで達し、FM 1719の2番目の区間が置き換えられ、アマリロを一周するループが完成しました。 2018年4月21日、道路はFM 2186号線に沿ってルート変更され、旧ルートはFM 2590号線に移設されましたが、この変更は当該区間の工事が完了するまで有効になりません。
ループ 336号線は、ベテランズ・メモリアル・ハイウェイとしても知られ、コンロー市を一周している。[ 35 ]東西に走行するトラックは、コンロー市内のSH 105号線では通行が禁止されているため、このループに誘導される。
ループ 336は、1960年9月27日にコンローのSH 105から分岐するループとして指定されました。1984年11月20日、この道路はコンローの東側と南側を回り、コンローの西にあるFM 2854まで延長されました。1989 年2月23日、この道路はFM 2854からSH 105まで北に1.8km延長され、FM 3374に取って代わり、コンローを一周するループが完成しました。[ 35 ]

ループ 337号線はニューブラウンフェルズに位置しています。
ループ 337は、1960年6月1日にニューブラウンフェルズ南西の州間高速道路35号線から北、東、南に進み、グアダルーペ川東側の当時の国道81号線(現在の州間高速道路ビジネス35号線)と交差するFM25号線(現在の州道46号線)までを結んで指定されました。1972年2月26日、この道路は州間高速道路35号線まで延伸され、FM25号線の一部区間が置き換えられました。1990年5月14日、州道46号線がループ 337号線と並行してルート変更されたことを示すために、ルートの説明が変更されました。
テキサス州道ループ 338号線(ループ 338)はオデッサを一周している。近隣のミッドランドにあるループ 250号線とは異なり、ループ338号線はどの区間も高速道路ではない。その代わりに、分離帯のある高速道路、分離帯のある幹線道路、そして分離帯のない道路として走っている。
ループ 338は、1960年9月26日に、オデッサの西2.5マイル(4.0km )のUS 80から、オデッサの北、東、南を回り、当時計画されていたI-20まで指定されました。1961年6月30日、US 80からI-20までの区間はFM 1357に移管され、ループ338はUS 80から北2.7マイル(4.3km )の地点までFM 1357の一部を通るようにルート変更されました。1964年4月3日、この道路はオデッサの東のI-20まで延伸され、FM 1357に取って代わりました。1964年9月30日、この道路は南に0.6マイル(0.97km )延伸され、I-20まで達しました。 1967年9月26日、I-20からSH 302までの区間がSH 302に移管された。1985年9月27日、道路は南東にUS 385まで延伸され、SH 302との重複区間ができた。1992年2月25日、道路は西と北にI-20まで延伸され、現在のルートが完成した。[ 38 ]
The entire route is in Ector County.
Texas State Highway Loop 340 encircles 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 (8.0 km) to US 84 east of Bellmead, replacing Loop 232. On February 29, 1968, the road was extended northwest 1.7 miles (2.7 km) 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.[39]
The entire route is in McLennan County. All exits are unnumbered.
Loop 343 is located 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 I-35 was removed from the highway system and returned to the city of Austin.
Loop 344 is located 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. The highway is known locally as Main Street and runs through the town's central business district.
Loop 345 was located in San Antonio.
Loop 345 was designated on January 26, 1962, as a loop off I-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 I-10 was removed and returned to the city of San Antonio and the remainder was redesignated as Spur 345.
Loop 346 was located 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 Bus. US 175.
State Highway Loop 350 (Loop 350) is a loop in Sealy. It runs from SH 36 via Sealy to SH 36.[44]
Loop 352 was located 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 Bus. SH 101.
Loop 353 is a 7.875-mile-long (12.674 km)loop route in the U.S. state of Texas that follows a former route of U.S. Highway 81 (US 81) in San Antonio.
Loop 354 was located in Dallas. Loop 354 was designated on September 19, 1961, from I-35E in the north part of Dallas, southward along the old route of US 77 to I-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.[48]
Loop 355 was located in Abilene. It is now Business I-20.
Loop 357 was located in Decatur. It is now Bus. US 81.
Loop 358 was located in Orange.
Loop 358 was designated on April 30, 1962, as a loop off I-10 in Orange as a replacement of US 90 when it was rerouted. The route was signed as Bus. US 90 rather than Loop 358. On June 21, 1990, Loop 358 was cancelled and transferred to Bus. US 90.
Loop 360 is a 13.99-mile (22.51 km)loop route in Austin in the U.S. state of Texas.
Loop 361 is located 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 located in Amarillo.
Loop 362 was designated on June 26, 1962, along Nelson Street (now Quarter Horse Drive) from I-40 to US 287 (now Loop 395). Although Loop 362 was cancelled on June 21, 1990, and transferred to Bus. US 287, it was changed back to Loop 362 four months later.
Loop 363 (also known as the H.K. Dodgen Loop) is a state highwayloop that encircles the Texas city of Temple in Central Texas.
Loop 365 was located 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 Bus. SH 78.
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 Bus. US 84.
The next use of the Loop 367 designation was in Johnson County, from US 67, 3.3 miles (5.3 km) west of US 67/SH 174 in Cleburne, north and east 7.9 miles (12.7 km) to SH 174, 1 mile (1.6 km) 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 Bus. US 67.
Loop 368 is located in San Antonio.
Loop 368 was designated on August 1, 1962, from I-35 at Fratt southwest along old US 81 to I-35 and Broadway as a replacement of US 81 when it was rerouted east. The route was signed as Bus. US 81 until 1991 when US 81 was decommissioned in favor of I-35. On December 18, 2014, the section from Alamo Heights to I-410 was planned to be removed from the highway system. This section was to be removed when construction was complete, but in January 2022, TxDOT reversed its decision and retained its jurisdiction as San Antonio did not provide the required acceptance letter for the project.
Loop 369 is located in Abernathy. It is an old alignment of US 87 through the city.[58]
Loop 370 was located in Wichita Falls.
ループ 370は、1962年9月25日に、アイオワパーク北西部付近のUS 287からウィチタフォールズを経由して東へSH 79/ループ 165に至るルートとして指定されました。このルートは、ループ370ではなくUS 287ビジネスとして標識が設置 されました。1972年2月8日、西端がアイオワパークのUS 287に移されました。ループ 370は1990年6月21日に廃止され、US 287ビジネスに引き継がれました 。
ループ 372号線はローレットに位置していた。
ループ 372は、1962年2月28日にロングブランチ西の州道66号線から南東にリバティグローブロードまで、そして北に当時計画されていた州道66号線まで指定されました 。1991年12月19日、ループ372は廃止され、州道 66号線に編入されました。
ループ 373号線はブリッジポートに位置しています。
ループ 373は、2007年3月29日に、国道380号線から南、西、南の州道114号線までの区間として指定され、州道114号線の一部区間 (旧ループ373)と国道 380号線全体(旧支線129)の代替として整備されました。
当初のループ 373は、1962年11月1日にFM920と新SH114から東へスパー 129まで、そして南へSH114まで指定されました。1990年6月21日、ループ 373は廃止され、ビジネスSH114に引き継がれました 。
ループ374 は 1963 年 3 月 20 日に、西ミッション 付近の US 83 から東の西ハーリンゲン付近の US 83 まで指定されました。この指定は、交通が新しい US 83 にルーティングされたときに有効になりました。このルートは、ループ 374 ではなく US 83 ビジネスとして標識されました。1967年 3 月 2 日、道路は西に5.5 マイル (8.9 km)延長され、FM 1427 の西0.5 マイル (0.80 km)の US 83 に接続されました。1987 年 9 月 27 日、ループ374 はミッションでルート変更されました。1990 年 6 月 21 日、ループ374 は廃止され、ビジネス US 83に移管されました。
ループ375号線は、テキサス州エルパソ市を部分的に囲む環状道路である。この環状道路は大部分が高速道路だが、北側の区間には平面交差が含まれている。
ループ 376号線はウィニーに位置していた。
ループ 376は、1962年10月31日にウィニーのSH 124/FM 1406から東および北東に1.3マイル(2.1km )進み、SH 73に至る区間として指定されました。1988年8月4日、地区の要請によりループ376は廃止され、FM 1406に移管されました。
ループ 377号線はコロラドシティに位置していた。現在はビジネスI-20号線となっている。
ループ 378号線はサンアンジェロに位置しています。
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 located 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 Bus. SH 114.
Loop 384 was located in Round Rock. It was redesignated Business I-35, a segment of which later became the now-cancelled Spur 379.
Loop 385 is located 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 located 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 Bus. US 377.
Loop 388 is located 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 located 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 (1.1 km) section from FM 2526 north to SH 6 was cancelled (it was already a portion of FM 2526).
State Highway Loop 390 (Loop 390) is a state highway loop that forms a partial beltway around Marshall, Texas.
Loop 391 is located 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 located in Alvarado. It is now Business I-35.
ループ 393号線はグッドリッチに位置しています。
ループ 393号線は、国道59号線がルート変更された際の代替として、グッドリッチの国道59号線から分岐するループ道路として、1963年11月20日に指定された。
ループ 395号線はアマリロに位置しています。
ループ 395号線は、1963年12月20日に、州間高速道路40号線とティーアンカー大通りから旧国道287号線に沿ってピアース通りまでを区間として指定されました。1990年6月21日、ループ 395号線は国道287号線(Bus. US 287)に移管されましたが、4か月後に再びループ395号線に戻されました 。
ループ 396号線はワコに位置しています。
ループ396号線は、1969年5月27日に支線396号線が州道6号線まで延伸された際に、 再指定されて指定された。
ループ396は、環状交差点であるサークルから始まります。この交差点では、高速道路が国道77号線、ラ・サール・アベニュー、そしてバレー・ミルズ・ドライブとしてサークル・ロードと交わります。サークルを出ると、道路はすぐに州間高速道路35号線/国道77号線(ジャック・カルトゲン高速道路)と交差し、その後、バグビー・アベニューと交差してからビバリーヒルズに入ります。ビバリーヒルズでは、ループ396は町の北の境界付近を走り、ワコ・クリークを渡り、鉄道線路を越えた後、再びワコに入ります。高速道路はスパー298(フランクリン・アベニュー)とのインターチェンジがあり、その後、国道84号線(ワコ・ドライブ)と交差し、ボスク・ブールバードに到達するまでにいくつかの商業地区や小売店地区を通過します。ボスク・ブールバードで、ループ396は南西に曲がり、ボスク・ブールバードに沿って進み、 SH 6とのインターチェンジで終わります。