California 2025-2026 Regular Session

California Assembly Bill AB1599

Introduced
1/16/26  
Refer
2/2/26  
Report Pass
3/24/26  
Refer
3/24/26  
Refer
5/6/26  
Report Pass
5/14/26  
Engrossed
5/21/26  
Refer
5/21/26  
Refer
6/3/26  
Report Pass
6/4/26  

Caption

An act to add Section 14113 to the Government Code, and to add Section 99150.5 to the Public Utilities Code, relating to transportation.

Summary

AB 1599 would require the California Department of Transportation to create the California Transit Stop Registry, a centralized statewide dataset containing standardized information for transit stops. The registry would include each stop’s name, location, available amenities, and a unique identifier assigned by the department. The bill is aimed at creating a single authoritative source for transit stop data across the state. The bill also would require transit districts and transit operators that receive funding under the Transportation Development Act to align their stop names and locations with the registry and to use the registry’s unique identifier when publishing datasets that include stop information. This includes common transit data products such as GTFS feeds, stop amenity datasets, ridership datasets, and other open datasets or trip-planning application data. The measure would apply new duties to local transit operators and therefore create a state-mandated local program, with potential reimbursement if the Commission on State Mandates finds reimbursable costs. In terms of state law, AB 1599 adds a new Government Code section and a new Public Utilities Code section, expanding Caltrans’ role in managing statewide transit stop data and imposing data-standardization requirements on transit agencies that receive certain public transit funds. It does not appropriate funds directly, but it does include a reimbursement clause for mandated local costs. The bill is framed as a transportation data standardization measure rather than a service expansion or funding increase. The general sentiment reflected in the available voting history is strongly favorable. The bill advanced with unanimous committee support in the recorded vote, including a 16-0 vote on March 23 and a 13-0 do-pass recommendation on June 23, with referral to Appropriations and a recommendation for the consent calendar. No committee transcript objections are available, and the vote pattern suggests broad agreement on the value of standardized transit data. No specific points of contention are documented in the provided materials, but the main policy issue inherent in the bill is the administrative burden on transit operators and districts to reconcile their datasets and stop naming conventions with the state registry. That concern is partly addressed by the bill’s reimbursement language, which anticipates possible state-mandated local costs. Overall, the bill appears to have been treated as a technical, data-governance measure with little visible opposition.

Impact

AB 1599 would add a new statewide transit stop registry to the Government Code and require transit districts/operators receiving Transportation Development Act funding to conform their stop names, locations, and published transit datasets to that registry. It would affect Caltrans, transit districts, transit operators, open-data publishing practices, GTFS feeds, trip-planning applications, and other transit information datasets, while also creating a potential state-reimbursable mandate for local agencies.

Sentiment

The available legislative history shows strong support and no recorded opposition: the bill passed committee unanimously in the recorded vote and received a unanimous do-pass recommendation with consent-calendar treatment. The absence of transcript controversy suggests the measure was viewed as a practical data-standardization bill with broad appeal.

Contention

No explicit contention is documented in the provided materials. The only likely area of debate is whether requiring local transit agencies to update stop names, locations, and dataset identifiers creates administrative or technical costs, especially for agencies that maintain multiple public-facing data products. The bill anticipates that issue by treating the requirement as a state-mandated local program and providing for reimbursement if the Commission on State Mandates finds reimbursable costs.

Companion Bills

No companion bills found.

Previously Filed As

CA AB1141

An act to amend Sections 24801, 24826, 24827, 24830, 24862, and 24908 of, to repeal Section 24861 of, and to repeal and add Section 24863 of, the Public Utilities Code, relating to transportation.

CA SB661

An act to add Section 21689 to the Public Utilities Code, and to add Section 7102.3 to the Revenue and Taxation Code, relating to airports, and making an appropriation therefor.

CA AB1250

Transit operators: paratransit: recertification of eligibility.

CA SB1136

Intercity rail and commuter rail: special events service plans: fare system integration.

CA AB61

An act to add and repeal Section 3261 of the Public Utilities Code, relating to electricity.

CA SB149

An act to amend Sections 2301 and 2302 of, and to add Section 2303 to, the Fish and Game Code, to add and repeal Section 515 of the Food and Agricultural Code, to amend Sections 675, 676, and 676.

CA AB354

An act to add Section 15169 to the Government Code, and to amend Sections 13500, 13510.

CA SB1366

Public Utilities Commission: report.

CA SB63

San Francisco Bay area: local revenue measure: public transit funding.

CA SB371

Transportation network companies: insurance coverage.

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