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This page last updated June 29, 2025 |
The far west side of Bexar County — the area outside Loop 1604 roughly between Bandera Rd. and the Medina River — is the fastest growing area in the county. As a result, there are several major road expansion projects underway or in the works. This page consolidates information that I know or can find about the various known projects from TxDOT, Bexar County, the City of San Antonio (COSA), the Alamo Regional Mobility Authority (ARMA), and developers.
Status info for TxDOT projects is current as of 06/21/25, Bexar County/ARMA projects as of 6/29/25, and COSA projects as of 7/14/24.
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| UNDER CONSTRUCTION | |||||
| MAP ID | LOCATION | AGENCY | PROJECT DESCRIPTION | ESTIMATED COMPLETION |
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FM 471 (Culebra Rd) Old FM 471 to SH 211 |
TxDOT | Widen to four lanes with median or center turn lane and construct interchange at SH 211 (More details) (SH 211 interchange) |
Early 2027 (60% complete) |
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US 90 At SH 211 |
TxDOT | Construct westbound to eastbound turnaround | Mid 2026 (76% complete) |
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TALLEY RD Wiseman Blvd to Tamaron Pass |
Bexar County | Widen to four-lane divided roadway |
2027 (1% complete) |
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LOOP 1604 Bandera Rd to I‑10 |
TxDOT | Widen to 10 lane freeway including two HOV lanes (More details) |
Late 2025 (93% complete) |
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SH 151 Loop 410 to Loop 1604 |
TxDOT | Widen to six lanes (More details) |
Early 2027 (69% complete) |
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ALAMO RANCH PKWY/ |
Developer | Build new roadways | Mid 2025 | |
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WISEMAN BLVD/ |
Developer | Add turn lanes | Mid 2025 | |
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US 90 Loop 1604 to SH 211 |
TxDOT | Widen to ten lanes and construct WB to NB flyover (More details) |
Mid 2029 (0% complete) |
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US 90 Loop 1604 to Montgomery Rd |
TxDOT | Add auxiliary lanes | Mid 2026 (0% complete) |
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MONTGOMERY RD | Bexar County | Extend Montgomery Rd to meet Grosenbacher Rd | 2026 (10% complete) |
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| ADVANCED PLANNING / SCHEDULED FOR CONSTRUCTION | |||||
| MAP ID | LOCATION | AGENCY | PROJECT DESCRIPTION | ESTIMATED START |
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FM 1560 Culebra Rd to Bandera Rd |
TxDOT | Widen to four lanes with median or center turn lane. This was previously planned as two separate projects north and south of Shaenfield, but funding was available to combine them into a single project. (More details) (Schematic) |
Mid 2026 | |
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BABCOCK RD Hausman Rd to UTSA Blvd |
COSA | Widen to four lanes (More details) |
Late 2025 | |
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CULEBRA RD At LOOP 1604 |
TxDOT | Convert to a Diverging Diamond Interchange (DDI) | TBD | |
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SH 211 US 90 to Potranco Rd |
TxDOT | Widen road to four-lane divided highway and build underpass at Potranco Rd (Currently under study) |
TBD | |
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GROSENBACHER RD Potranco Rd to W Grosenbacher Rd |
Bexar County | Widen to four lanes (More details) |
2027 | |
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CAGNON RD Ponder Rd to S of Medina River |
Bexar County | Realign road and build bridge over Medina River (More details) |
TBD | |
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US 90 Loop 1604 to SH 211 |
TxDOT | Upgrade to six lane freeway (More details) |
2028 | |
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MILITARY DR Hunt Rd to Reed Rd |
COSA | Widen to four-lane divided road (More details) |
Late 2025 | |
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US 90 Military Dr to Loop 410 |
TxDOT | Operational improvements (More details) |
2032 | |
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LOOP 1604 US 90 to Macdona Locoste Rd |
TxDOT | Expand to four-lane divided highway with Restricted Crossing U‑turn (RCUT) intersections (More details) |
2026 | |
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ALAMO RANCH PKWY Loop 1604 to Calaveras Way |
ARMA | Build four-lane parkway with overpasses in median of existing roadway |
2027 | |
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POTRANCO RD SH 211 to FM 471 |
TxDOT | Widen road to six lanes (Currently under study. A public meeting is anticipated in mid 2025. This project is currently broken into two phases: SH 211 to CR 381, which has a current start date of 2031, and CR 381 to FM 471, which has no start date at this time.) |
TBD | |
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ROFT RD Culebra Rd to Rockwall Mill |
Bexar County | Upgrade from rural road to suburban road with curbs, drainage, and sidewalks (More details) |
Late 2025 | |