Mill Valley is getting $710,970 for road repairs. Larkspur gets $527,615. Corte Madera receives $476,740, and Tiburon picks up $436,819.

Those are the four Southern Marin shares of an $11.76 million pot the Transportation Authority of Marin approved in July, distributing Measure AA sales tax revenue to towns across the county for road maintenance and rehabilitation, according to the Marin Independent Journal.

The money can pay for repaving, reconstructing roads, installing electric vehicle charging stations and upgrading traffic signals. Each town chose its own projects through an application process that required demonstrating alignment with the countywide transportation plan's goals around bicycle and pedestrian safety, equity and sustainability.

Why the checks are bigger this year

TAM's fiscal year 2026-27 allocation is roughly double the normal annual amount.

TAM switched its distribution formula earlier in 2026, cutting local road repair's share of Measure AA from 22% to 18% and creating a new fund for larger, multi-jurisdiction road projects. To smooth the transition, the agency combined funds collected under the old formula with projected revenue under the new one.

For Mill Valley, that means roughly $710,000 in fiscal year 2026-27, but an annual baseline of about $315,264 starting in fiscal year 2027-28, according to the Mill Valley Briefing. Mill Valley's council voted 4-0 on May 4 to support the amended expenditure plan.

Mill Valley Vice Mayor Caroline Joachim raised the concern at the council's May 4 meeting, as the Mill Valley Briefing reported in July: "The annual local road formula funding to be decreased by $79,000 ... that was my initial concern, how that is going to impact."

Where the money comes from

Measure AA is Marin's half-cent transportation sales tax, approved by 76.7% of voters in November 2018. It generates about $35 million a year for transit, roads, school routes and highway projects.

San Rafael Mayor Kate Colin, who chairs the TAM board, said in the Marin IJ report that the tax is a critical investment in local streets and that the funds support projects identified and prioritized by each jurisdiction.

Each town's share is calculated using a 50-50 split of lane miles maintained and population. TAM issued a call for projects in May, and all 12 county jurisdictions submitted requests totaling the full $11.76 million.

The county government claimed the largest single share at $4.3 million for a pavement preservation project covering about 15 miles of road, including Panoramic Highway and Sequoia Valley Road. Novato received $2.3 million for 12 projects, and San Rafael got $1.4 million, with another $1.1 million held in reserve pending a qualified project.

As we reported Aug. 4, Corte Madera's Paradise Drive multiuse path also landed in TAM's broader $200 million regional transportation plan. The Measure AA road allocations represent a separate, more immediate funding stream.

TAM's road maintenance category fund totals about $12.9 million for fiscal year 2026-27, of which the $11.76 million in town allocations — plus San Rafael's $1.1 million reserve — accounts for nearly all of it.