Transportation Authority of Marin
Measure AA Expenditure Plan Amendments
May 6, 2026
Presentation to Fairfax
2 TAM is the…
• Congestion Management Agency (CMA)
• Transportation Sales Tax Authority (2004 Measure A, 2018 Measure AA) • Vehicle Registration Fee Authority (2010 Measure B)
Who we are…
• 16-member Board of Commissioners – all five County Supervisors, plus one representative from each city/town
• Community Oversight Committee (COC)
• Staff of 14
Transportation Authority of Marin
3 What is Measure AA?
$35 M*
• ½ -cent Sales Tax dedicated to Transportation
• Measure A in 2004, Renewed as Measure AA in
2018
• Strong public support for overall framework –
76.7% voter approval
• Measure AA and TAM support:
• Improvements to Highways
• Local Roadways
• Safe Routes to Schools and Crossing Guards
• Local Transit Services
4 • Marin as a “Self Help” County
• Measure AA leverages regional, state and federal funds • Works along with Measure B to Address Countywide Priorities • Partner feedback
• Public Works – Flexible funding helpful
• Marin Transit – Measure AA vitally important
• Safe Routes – Highly visible programs
How Measure AA Supports Marin’s Needs
Sales Tax
47%
Vehicle
Registration Fee
3%
Investment
Earnings
6%
Project and
Program
Revenues
44%
FY 25/26 TAM Revenues
5 As stated in the Measure AA 2018 Expenditure Plan:
“To keep pace with the changing world of transportation, the TAM Board of Commissioners will review the Expenditure Plan every six years to consider amendments”
• Extensive process over last 18 months to seek input from Board, partners, program managers & the public
• Review included:
• Feedback from all Measure AA recipients
• Public Outreach & Community Group Discussions
• CTP Alignment Review
• Financial Projections
• Travel Trends & Forecasts
• Good Governance Review
Measure AA – Six Year Review
6 Expenditure Plan Review Schedule
Collection of Measure AA Revenue Commenced April 1, 2019 TAM Board Approves Expenditure Plan Review Process and Timeline October 24, 2024 Expenditure Plan in Effect for Six Years March 31, 2025 Public Outreach Process April-December 2025
Present Draft Amended Expenditure Plan to TAM Executive Committee and Board September-December 2025
TAM Board Opens 45-day comment period/hearing for any changes proposed January 2026
45-day Comment Period Closes March 9, 2026
TAM Board Adopts Amended Measure AA Expenditure Plan March 2026 Present Amended Expenditure Plan to Cities, Towns, and County for Approval April/May 2026
Identify Expenditure Plan changes in TAM FY2026-27 Budget Process April-June 2026 Measure AA Expenditure Plan Review Schedule
We are here
7 Summer 2025 Public Outreach Effort
Ongoing Partner/Advisory Outreach
• TAM Community Oversight Committee
• TAM Bicycle/Pedestrian Advisory Committee
• TAM Technical Advisory Working Group
• TAM Equity Working Group
• Marin Public Works Association
• TAM/MMA Subcommittee
• TAM Measure AA Expenditure Plan Review Ad Hoc Committee • Public Comment Period January 29 - March 9
• Comments received: Newt Brigade supporters (230+) and opposition; MCOE; Marin Transit; Town of Ross
• City/Town Council Presentations – April/May
Public Outreach Summary
West Marin Dot Exercise
8 • No changes proposed to 95% of Measure AA funding
• Strategic changes proposed to 5% of Measure AA to respond to input received Summary of Proposed Measure AA Amendments
2018 Proposed EXPENDITURE PLAN AMENDMENTS
Category 1.3 Local Interchanges 3.0% 2.5% Reallocate 0.5% to support the Crossing Guard Program Category 2.1 Local Transportation
Infrastructure 22.0% 18.0%
Provide funding for new Category 2.4 and clarified eligibility to include roadway elements that integrate environmental
protections and mitigations.
Category 2.3 Sea Level Rise 1.0% 1.0%
Change eligible recipients to include TAM and remove call for projects requirement
Category 2.4 Innovative Technology 0.5% 0.0%
0.5% remains in Category 2.4 but reallocated to Reimagined Roadways from Innovative Technology
Category 2.4 Reimagined Roadway 0.0% 4.5%
New Category. Maintain 0.5% from Category 2.4 plus 4% from Category 2.1
Category 3.2 Crossing Guard
Program 7.0% 7.5%
0.5% from Category 1.3, Revise language to specify number of guards rather than number of locations
Category 4.6 Ferries and Regional
Transit 0.5% 0.5%
Change eligible recipients and broaden to First/Last Mile at Major Transit Stops
Additional Changes
COC Membership Align with Measure B
Review Timeline Align with Measure B for concurrent review processes 9 Amended to increase funds from 7% to 7.5%
• Program is 7% of Measure AA (increase from 4.2% in
Measure A)
• Program currently provides 96 guards at 96 locations
• Operational program - annual ongoing revenues needed
• Program exceeds annual revenue collection requiring
use of carryover
• Current revenue supports ~68 guards
• Expense reduction measures were implemented this cycle • Board approved use of one-time funding to shore up program in 2026, in combination with potential Measure AA increase • 0.5% increase will allow TAM to maintain 5 Guards
• Staff continues to pursue other funding sources
Category 3.2 Crossing Guards
10 Amended to include new program at 4.5% from
Category 2.1 and 2.4
• Background:
• Prior Major Roads funding from Measure A supported corridors throughout county; no similar program in Measure AA
• Public Works and Board Requests to address Major Road needs
• Current TAM has no dedicated funding for Major Roads
• Current Proposal:
• Get larger capital roadway projects “Shovel Ready”
• Focus on multi-jurisdiction, multi-agency, and multi-modal project development
• Advance CTP goals and strategies
• Support for innovation within Measure programs, rather than standalone program
New Category 2.4 – Reimagined Roadways
11 • Measure A Major Road Category:
• 13.25% for Local Transportation Infrastructure plus
• 13.25% for Major Roads ($38M in revenue collected from Measure A) • Funds distributed through 5 planning areas, delivering 9 projects Previous Measure A – Major Roads Background
Planning Area Jurisdiction Project
Measure A/AA
($M)
Project Cost
($M)
North Novato Novato Blvd./Diablo Ave. (Phase in Progress) $13.3 $15.0 Central San Rafael 4th Street $4.5 $5.5
San Rafael 3rd Street $13.0 $20.0
Southern Mill Valley Miller Ave. $10.3 $18.3
Mill Valley E. Blithedale Ave. $2.3 $3.7
Ross Valley Marin County Sir Francis Drake Blvd. US 101 - Wolfe Grade $7.2 $11.4 Marin County
Sir Francis Drake Blvd. Wolfe Grade - Ross
Limit $7.2 $11.4
West Marin County
Sir Francis Drake Blvd. Samuel P. Taylor -
Platform Bridge $5.8 $8.1
Marin County
Sir Francis Drake Blvd. Fairfax Limit - Samuel
P. Taylor $0.8 $2.1
Total $64.3 $95.5
12 Category 2004
(Meas. A)
2018
(Meas. AA)
2026 Proposed
(Meas. AA Rev.)
Local Streets & Roads 13.25% 22% 18%
Major Roads 13.25% 0%* 4.5%*
* Does not include off-the-top percent needed to fully fund 2004 commitments, anticipated to be approx. $2.35M/year until 2032
Local/Major Roads Funding History
• Measure AA funds now complemented by state funds
• Currently no dedicated funding source for advancing larger capital projects • Marin County has highest PCI in North Bay
• Proposed changes expected to have minimal impact on PCI 11,910,321
11,370,691
6,528,669
FY 24/25 Local Road Funds- All
Jurisdictions
State Gas Tax SB1 Supplement Measure AA
13 • Amended to provide 4% of funding to Category 2.4
• Strategic Plan change to offset funding shift for 2.1 • Double allocation” for FY26/27 – TAM will provide
funding in arrears and move to a reimbursement
processes, making two years’ of funding available
• Discussed with Public Works staff, support for
standardized project accounting & one-time additional
funding distribution
• Offsets funding shift from Measure AA amendment for
several years
• Eligibility Clarification for funds in this category: roadway components that include integrated environmental
protections and mitigations are eligible use of funds
Category 2.1 Local Transportation Infrastructure
Estimated Available Amount
FY 25/26*
FY 26/27
Est. Reim**
FY 26/27
Est. Double
Allocation
Belvedere $69,558 $55,652 $125,210
Corte Madera $263,615 $210,915 $474,530
Fairfax $198,145 $158,534 $356,679
Larkspur $291,883 $233,533 $525,416
Mill Valley $394,035 $315,264 $709,299
Novato $1,282,710 $1,026,284 $2,308,994
Ross $70,201 $56,167 $126,368
San Anselmo $317,375 $253,929 $571,304
San Rafael $1,417,855 $1,134,412 $2,552,267
Sausalito $196,284 $157,045 $353,329
Tiburon $241,760 $193,430 $435,190
County $2,409,225 $1,927,598 $4,336,823
Total Available $7,152,646 $5,722,763 $12,875,409
*based on 22% of collected FY 25/26 Measure AA Funding plus carryovers **based on 18% of projected FY 26/27 Measure AA funding 14 • Align Timeline of Measure AA and B Reviews
• Currently: Measure AA review is every 6 years, Measure B review is every 10 years • Aligning allows for a broader view of Local Funds, and increased efficiency in conducting reviews together • Conduct next review in 6 years, followed by 8-year review cycle • COC Membership Changes to Align Measure AA and B Language • Category 2.3 Sea Level Rise
• Identify TAM as an eligible recipient and remove call for project language • Category 4.6 Ferries and Regional Transit
• Identify TAM and Marin Transit as eligible recipients and broaden focus to all Major Transit Stops (i.e., SMART and Ferry Stations)
Measure AA Exp Plan – Additional Changes
15 To amend the Measure AA Expenditure Plan:
• Vote/approve by two-thirds of the TAM Commissioners (scheduled March 26, 2026) • Amendments to be presented to each of the cities and towns in Marin County and to the Board of Supervisors for their approval (scheduled for April/May) • Requiring a majority vote of 50+% of the cities or towns, representing 50+% of the incorporated population
• As well as a majority vote of the Board of Supervisors • Action requested to approve the Amended Expenditure Plan as approved by the TAM Board on March 26, 2026
Action Request for Local Jurisdictions
16 Questions and Discussion
TAM Staff thanks our partners, interested parties and the public for their participation and valuable insights during this review process.