Texas State Highway 46
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| Route information | ||||
| Maintained by TxDOT | ||||
| Length: | 71.811 mi (115.569 km) | |||
| Existed: | by 1922 – present | |||
| Major junctions | ||||
| West end: |
 SH 16 near Pipe Creek
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 I-35 in New Braunfels
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| East end: |
 SH 123 in Seguin
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→
I-10 / US 87 in Boerne
US 281 in Bulverde
State Highway 46, or SH 46, is a 71.4-mile (114.9 km) state highway in the U.S. state of Texas that runs from State Highway 16 east of Bandera to the intersection of SH 123 and SH 123 Business just south of Seguin.
SH 46 was originally designated by 1922 as a route from New Braunfels north to Blanco. By 1926, the route had been shortened, with the section north of Spring Branch transferred to SH 108. This alignment of SH 46 only consisted of the portion from U.S. Highway 281 (US 281) to US 81 in New Braunfels. US 81 no longer exists today in favor of Interstate 35 (I-35) and is known as a business loop of I-35. In October 1967, the highway was relocated in New Braunfels to the east along the alignment of Loop 337 (Loop 337), but still had an eastern terminus at US 81. The original alignment in New Braunfels was redesignated as Loop 453, but to be signed as a business route of SH 46. In 1991, the designation of this segment was officially changed to Business 46. In February 1968, it was extended to the south from US 81 to I-35. In October 1988, the highway was extended at both ends, extending the eastern end south along Farm to Market Road 25 from I-35 and FM 78 and then along Spur 351 from FM 78 to I-10 in Seguin. The western terminus was extended to the west along Ranch to Market Road 475 from US 281 to SH 16. A portion of this route had been FM 1719 which had been combined with RM 475 in 1951. In May 1990, the highway was extended to its current alignment when it was extended south from I-10 to SH 123 along Spur 351.
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Wikipedia