List of state highway loops in Texas (500–9999)
State highway loops in Texas are owned and maintained by the Texas Department of Transportation.
Loop 500
Loop 500 is located in Shelby County. It runs from US 96 northwest of Center to SH 7 southwest of Center.Loop 500 was designated on April 29, 1971, as a loop off SH 7 in Center. On August 26, 2010, the northern section was extended west to US 96 northwest of Center.
Loop 505
Loop 505 is located in Newton County. It runs from SH 87 northeast of Newton to SH 87 southwest of Newton.Loop 505 was designated on August 31, 1972, on the current route along an old routing of SH 87; the route was signed as SH 87 Business rather than Loop 505.
Loop 506
Loop 506 was located in Wise County. It is now Bus. US 81.Loop 507
Loop 507 was designated on August 31, 1972, as a loop off SH 6 in Bryan-College Station. The route was signed as SH 6 Business rather than Loop 507. On June 21, 1990, Loop 507 was cancelled and transferred to Bus. SH 6.Loop 508
Loop 508 was designated on August 31, 1972, as a loop off SH 6 in Navasota. The route was signed as SH 6 Business rather than Loop 508. On June 21, 1990, Loop 508 was cancelled and transferred to Bus. SH 6.Loop 509
Loop 509 was designated on July 31, 1972, as a loop off SH 78 in Copeville along an old routing of SH 78. on June 21, 1990, Loop 509 was cancelled and transferred to Bus. SH 78.Loop 512
Loop 512 was designated on November 3, 1972, as a loop off US 59 in Splendora along an old routing of US 59. The route was signed as US 59 Business rather than Loop 512. On June 21, 1990, Loop 512 was cancelled and transferred to Bus. US 59.Loop 513
Loop 513 was designated on September 4, 1973, as a loop off SH 123 in Seguin along an old routing of SH 123. The route was signed as SH 123 Business rather than Loop 513. On June 21, 1990, Loop 513 was cancelled and transferred to Bus. SH 123.Loop 516
Loop 516 was designated on May 31, 1973, as a loop off US 181 in Beeville along an old routing of US 181. The route was signed as US 181 Business rather than Loop 516. On June 21, 1990, Loop 516 was cancelled and transferred to Bus. US 181.Loop 517
Loop 517 is located in Dimmit County. It runs from US 83 northeast of Carrizo Springs to US 277 northwest of Carrizo Springs.Loop 517 was designated on June 20, 1975, on the current route.
Loop 518
Loop 518 was designated on November 25, 1975, as a loop off US 190 in Killeen along an old routing of US 190. The route was signed as US 190 Business instead of Loop 518. On June 21, 1990, Loop 518 was cancelled and transferred to Bus. US 190.Loop 519
Loop 519 was located in Culberson County. It was the former alignment of US 80 through Van Horn. It is now Business I-10.Loop 520
Loop 520 was designated on November 25, 1975, as a loop off SH 171 in Covington along an old routing of SH 171. On June 21, 1990, Loop 520 was cancelled and transferred to Bus. SH 171.Loop 521
Loop 521 is located in Jackson County. It runs from US 59 east of Edna to US 59 west of Edna.Loop 521 was designated on June 30, 1976, on the current route along an old routing of US 59.
;Major intersections
Loop 522
Loop 522 is located in Jackson County. It runs from US 59 east of Ganado to US 59 west of Ganado.Loop 522 was designated on June 30, 1976, on the current route along an old routing of US 59; the route was signed as US 59 Business rather than Loop 522.
Loop 523
Loop 523 is located in Wharton County. It runs from US 59, west of Louise to US 59, east of Louise.Loop 523 was designated on June 21, 1979, on the current route.
Loop 524
Loop 524 is located in Wharton County. It runs from US 59 east of Hillje to US 59 west of Hillje.Loop 524 was designated on June 30, 1976, on the current route along an old routing of US 59; the route was signed as US 59 Business rather than Loop 524.
Loop 525
Loop 525 was designated on August 23, 1976, as a loop off US 59 in El Campo along an old routing of US 59. The route was signed as US 59 Business rather than Loop 525. On April 23, 1997, Spur 525 was cancelled and transferred to Bus. US 59.Loop 526
Loop 526 is located in Wharton County. It runs from I-69/US 59 east of Pierce to I-69/US 59 west of Pierce.Loop 526 was designated on June 30, 1976, on the current route along an old routing of US 59.
Loop 528
Loop 528 was designated on August 23, 1976, as a loop off US 287 in Waxahachie along an old routing of US 287. The route was signed as US 287 Business rather than Loop 528. On June 21, 1990, Loop 528 was cancelled and transferred to Bus. US 287.Loop 530
Loop 530 was designated on November 23, 1976, as a loop off US 190 in Belton along an old routing of US 190. On October 26, 2000, by district request, Loop 530 was cancelled and removed from the highway system due to the city of Belton planning utility improvements along the route.Loop 531
Loop 531 was located in Grapeland. It is now Bus. US 287.Loop 532
Loop 532 was located in Encinal. It is now Business I-35.Loop 533
Loop 533 is located in Palo Pinto County. Both of its termini are at SH 16.Loop 533 was designated on May 27, 1977, on the current route along an old routing of SH 16.
Loop 534
Loop 534, also known as Veterans Highway, is located in Kerr County. It runs from SH 173 south of Kerrville north to I-10.Loop 534 was designated on May 2, 1977, from FM 689 southeast of Kerrville north to I-10. On October 23, 1978, the road was extended southeast to SH 16, replacing a section of FM 689. On October 2, 1990, a section from SH 16 to the southern terminus was transferred to SH 173.
;Junction list
Loop 538
Loop 538 was designated on January 24, 1978, from FM 78, east of SH 218, east and northeast to FM 78 near Live Oak Road in Schertz. The route was never built, and was cancelled on June 18, 1996.Loop 539
Loop 539 was designated on January 24, 1978, from FM 78, west of FM 1103, east and northeast to FM 78 near Haeckerville Road in Cibolo. On September 26, 1996, the road was rerouted along old FM 78 through Cibolo after FM 78 was rerouted south of town. On November 20, 2014, Loop 539 was cancelled and returned to the city of Cibolo.Loop 540
Loop 540 is located in Fort Bend County. It begins northeast of Beasley at an exit ramp off southbound Future I-69/US 59, about past the intersection with Daily Road. Initially one-way, it runs southwest alongside the Union Pacific Railroad tracks. Two-way traffic begins after. The route passes through Beasley before intersecting FM 1875 southwest of the city. Loop 540 then intersects FM 360, beyond which the road again becomes one-way before transitioning into an entrance ramp for southbound Future I-69/US 59.Loop 540 was designated on April 14, 1980, on the current route.
Loop 541
Loop 541 is located in Fort Bend County. It begins northeast of Kendleton at an exit ramp off southbound Future I-69/US 59. It runs southwest along the Union Pacific Railroad tracks, intersecting FM 2919. Loop 541 continues to the southwest for another ; while the designation has the route connecting to the freeway here, it instead ends at a turnaround. A paved road goes a short distance past the turnaround before turning sharply to the northwest, connecting with Ben Williams Drive after crossing the railroad tracks.Loop 541 was designated on April 14, 1980, on the current route.
Loop 543
Loop 543 is located in Fayette County. It runs from SH 71 west of West Point to SH 71 east of West Point.Loop 543 was designated on February 7, 1983, on the current route along an old routing of SH 71.
Loop 544
Loop 544 was designated on February 23, 1983, as a loop off US 84 in Roscoe. On June 21, 1990, Loop 544 was cancelled and transferred to Bus. US 84.Loop 545
Loop 545 was designated on April 20, 1984, from US 67 northeast to Main Street, then north along Main Street 0.5 mile to US 67 along an old routing of US 67. On March 29, 1988, a section from US 87 to FM 380 was removed and returned to the city of San Angelo. The remainder of Loop 545 was cancelled on November 21, 1996, and transferred to Bus. US 67.Loop 546
Loop 546 was designated on April 9, 1984, from Loop 250 east and south to Wall Avenue, then east along Wall Avenue to SH 349, then south along SH 349 to Florida Avenue, then southeast along Florida Avenue and Garden City Highway to I-20/SH 158 along an old routing of SH 158. On June 21, 1990, Loop 546 was cancelled and transferred to Bus. SH 158.Loop 547
Loop 547 is located in San Augustine County. Both of its termini are at SH 21 within the San Augustine city limits.Loop 547 was designated on July 24, 1984, on its current route. It is a former routing of SH 21.