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The Circuit logo Other San Antonio Area Roads
"The Circuit"

This page last updated May 27, 2018


The Circuit location map

If you look at a roadmap of South-Central Texas for a few minutes, you may soon notice that, in addition to Loops 410 and 1604, San Antonio has yet another, albeit unofficial, loop. This outer-outer loop is formed by parts of State Highways 16, 97, 123, and 173 and all of SH 46. The roughly 222 mile ring, about 30-40 miles from downtown San Antonio, connects the towns of Boerne, Bulverde, New Braunfels, Seguin, Stockdale, Floresville, Pleasanton, Jourdanton, Devine, Hondo, and Bandera. Many of these areas, especially along the northern arc, are rapidly growing as San Antonio's suburbs continue to spread, and some local residents and officials have begun to discuss the need for a possible third loop around San Antonio. While there are no official plans currently in the works to officially designate a third loop, "The Circuit" has emerged as a possible moniker for this ad-hoc beltway.

The vast majority of the route consists of two-lane rural roads. In 2006, TxDOT announced plans to widen SH 46 between Bulverde and New Braunfels. In the first phase, additional passing lanes were added between New Braunfels and Bulverde. Work was completed in 2011 to widen the road to seven lanes between Loop 337 and FM 2722 in New Braunfels, including an overpass at 2722. Future phases will extend that widening westward as needed.

In 2006, TxDOT had proposed to widen SH 46 to six lanes through Bulverde, but the Bulverde City Council twice voted not to support in such a project. However, they have since reconsidered and TxDOT began a study of the route in 2015. The current proposal calls for widening SH 46 from Bulverde Rd. to FM 3159 to six lanes including a center median, bicycle facilities, and sidewalks. An overpass and interchange would be built at FM 3159. Funding has not yet been secured, so a timeline for the improvements is not yet available.

Prior to 2006, TxDOT widened SH 46 from New Braunfels to Seguin to five lanes. Further west, discussion is ongoing for a possible SH 46 bypass around Boerne.  Additional passing lanes have recently been added between Boerne and New Braunfels.

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