This page contains information about current and future major freeway expansion and improvement projects in the San Antonio area. Minor projects, as well as maintenance and repair jobs, are not included (there's just not enough room to list them all here!) Data for this page comes primarily from official TxDOT, ARMA, and MPO project databases, as well as from media reports and the author's personal knowledge. All information is subject to change.

This is not an official website. The completion percentage data on this page was last updated March 29, 2025.

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Current and near-term projects

The following is a compendium of major San Antonio area freeway projects currently underway or in advanced planning. The numbers and letters on the map correspond to the listings on the table below. Letting, start, and completion dates represent the latest estimates that could determined as of the date this page was updated.

I use my own method for this. I do so by averaging the percentage of contracted working time used and the contract budget amount spent as obtained from TxDOT's project tracker database. This method takes both metrics into consideration and helps to smooth the fluctuations that the budget metric alone can produce as a project progresses. If that average exceeds 100%, then the lower of the two metrics is used. If that still exceeds 100%, the project will be listed as 98% complete. Projects that have reached substantial completion but are still working on final "punch list" items will be shown as 99% complete.

Occasionally, TxDOT may grant extra time to complete a project due to issues beyond the contractor's control, or may execute a change order that adds additional cost and/or time to the project. When this happens, you may notice the completion percentage on a project decrease from one month to the next.

Because I use my own method for calculating the completion percentage, it may not always match information from other sources. In the end, construction progress is always fluid and somewhat subjective, so any advertised completion percentage should always be considered approximate.

For the estimated completion date for projects currently underway, I use one of the following in this order:

• The contractor's estimated date if available.
• TxDOT's estimated date if available.
• My own calculation based on the number of contracted working days for the project.

I use quadrimesters starting in January for the descriptors of "early", "mid", and "late".

In the "advanced planning" section, projected start dates are either when a project is estimated to start construction if already funded, or when funding may be available for a project based on current projections. For this, I generally use the projected bid date in TxDOT's project tracker database and add a few months to that unless there are other authoritative reports of a different start date.

Project schedules are always in a constant state of flux. For projects underway, weather, resource availability, engineering issues, and other factors can cause projected completion dates to slip, and occasionally the stars align and work is completed earlier than expected. For projects in planning, funding availability, engineering issues, environmental clearances, right-of-way acquisition, utility relocation, changing priorities, and other red tape can cause projected start dates to slip. Occasionally, start dates can get moved up due to unexpected funding availability or a shift in priorities.

The upshot: All dates shown here are always subject to change.

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Click a number or letter on the map to see details for that project

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Long-range projects

This is a list of major long-range projects that have been proposed or are being studied. As they are just preliminary proposals, items on this list may not actually be constructed as described or at all. Some of the projects listed below may be broken-up into smaller projects for construction.

FREEWAY	LOCATION AND DESCRIPTION OF PROJECT
	I‑35 to LOOP 1604 (Northwest side) Add HOV lanes and operational improvements
	I‑37/US 281 to US 90 Operational improvements I‑37/US 281 to LOOP 410 SOUTH Expand freeway to 10 lanes including express and HOV lanes US 90 to ATASCOSA COUNTY LINE Expand freeway to six or eight lanes
	LOOP 410 to ATASCOSA COUNTY LINE Expand freeway to six lanes
	I‑35 (South) to I‑35 (North) (Southeast side) Expand freeway to six or eight lanes, upgrade/relocate ramps, operational improvements at I-37 interchange INGRAM to NW MILITARY Operational improvements including ramp adjustments and improvements at I-10 interchange
	At SP 371 Build new interchange At ZARZAMORA Add westbound entrance ramp I‑35 to LOOP 410 Modernize freeway corridor, upgrade/relocate ramps SH 211 to MEDINA COUNTY LINE Upgrade to freeway
	BORGFELD to FM 306 (Comal/Blanco county line) Upgrade to freeway (Phase 1 is in advanced planning)
	US 90 to POTRANCO Widen to four-lane divided highway
	US 90 to CUPPLES Expand freeway to six lanes At US 90 Build new interchange CUPPLES to SH 16 (South) Build new expressway (Kelly Parkway)
	I‑10/LOOP 1604 INTERCHANGE (East) Construct new directional interchange
	US 90/LOOP 410 INTERCHANGE (Lackland) Build remainder of new directional interchange
	US 90 (West) to I‑10 (East) (southern arc) Upgrade to four lane divided highway (Three projects recently completed or starting soon)

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Other sites of interest

	TxDOT- San Antonio District https://www.txdot.gov/about/districts/san-antonio-district.html
	Alamo Area Metropolitan Planning Organization https://www.alamoareampo.org/