Dust has been rising between Santa Fe Drive and Broadway as crews begin the most significant work on the Alameda Avenue underpass in over a decade. This century-old tunnel, which has guided traffic beneath the railroad since 1910, is finally getting the accessibility upgrades it desperately needs.

A flurry of 14 municipal filings over the last 90 days reveals the city is accelerating a capital project to stabilize crumbling walls and install modern amenities. The work transforms a critical east-west corridor into a safe passage for cyclists and pedestrians, including those using wheelchairs.

The project targets the specific stretch of Alameda Avenue underpass in the 80211 ZIP code. Documentation indicates the rehabilitation phase began in late March 2025, focusing on structural integrity. A concentrated cluster of permits filed on April 18, 2026, detailed the installation of new bike lanes, widened pedestrian paths, and strict ADA compliance measures. Subsequent records through May confirm the work is active, with the current phase expected to wrap up by early June 2026.

While the immediate goal is stabilization, these filings serve as the precursor to a larger bond-funded initiative. Once the current rehabilitation concludes, the city plans to move toward a full demolition and reconstruction of the underpass structure. This surge in activity reflects a broader trend of infrastructure investment in the area, with 17 major transportation updates recorded in the same ZIP code during this period.

Residents and commuters should anticipate continued lane closures and noise through the spring of 2026. The city is using this window to extend the life of the historic structure while ensuring it meets modern safety standards. For more details on the permit filings and project timeline, visit the city's open government portal.