California 2025-2026 Regular Session

California Assembly Bill AB390

Introduced
2/3/25  
Refer
2/18/25  
Report Pass
3/11/25  
Refer
3/12/25  
Report Pass
3/25/25  
Refer
3/25/25  
Report Pass
4/9/25  
Engrossed
4/28/25  
Refer
4/29/25  
Refer
5/7/25  
Report Pass
5/20/25  
Refer
5/20/25  
Report Pass
6/10/25  
Refer
6/10/25  
Enrolled
7/10/25  
Chaptered
7/28/25  
Enrolled
7/10/25  
Passed
7/28/25  

Caption

An act to amend Section 21809 of the Vehicle Code, relating to vehicles.

Impact

The bill imposes additional responsibilities on drivers approaching stationary maintenance or emergency vehicles, mandating them to change lanes or slow down significantly if changing lanes is not safe. Violations of these requirements are classified as infractions, subject to a fine of up to $50. While this bill aims to improve road safety, it may result in enforcement challenges as more vehicles fall under its purview, necessitating increased driver awareness to comply with the new regulations.

Summary

Assembly Bill No. 390, enacted in 2025, amends Section 21809 of the California Vehicle Code to expand existing traffic safety regulations concerning stationary vehicles. Previously, the law required motorists to exercise caution when approaching a stationary marked Caltrans vehicle displaying flashing lights. This bill broadens that requirement to encompass all marked highway maintenance vehicles and any stationary vehicle displaying flashing hazard lights or warning devices, such as cones or flares. The goal of this amendment is to enhance safety measures for highway workers and prevent accidents on the road.

Sentiment

The sentiment surrounding AB 390 appears to be generally positive, emphasizing safety for highway workers and road users alike. Supporters highlight the necessity of the bill in reducing injuries and fatalities due to vehicular incidents near work zones. However, some critics argue that expanding the scope of the law creates complexity in traffic regulations, potentially leading to confusion among drivers about their obligations when encountering stationary vehicles with flashing lights.

Contention

One notable point of contention regarding AB 390 is the issue of state-mandated local programs. The bill states that no reimbursement is required by the state for costs incurred by local agencies, which might raise concerns about the financial implications for local governance in implementing these regulations. This aspect has sparked debates about funding and the potential strain on local resources to ensure compliance with the new safety measures.

Companion Bills

No companion bills found.

Previously Filed As

CA AB544

An act to amend Sections 21201 and 21212 of the Vehicle Code, relating to vehicles.

CA AB1272

An act to amend Section 25 of the Vehicle Code, relating to vehicles.

CA HB4301

Vehicles: emergency vehicles; definition of authorized emergency vehicle; expand. Amends secs. 2 & 698 of 1949 PA 300 (MCL 257.2 & 257.698). TIE BAR WITH: HB 4302'25

CA HB0442

AN ACT to amend Tennessee Code Annotated, Section 39-16-301 and Title 55, relative to antique emergency vehicles.

CA SB0620

AN ACT to amend Tennessee Code Annotated, Section 39-16-301 and Title 55, relative to antique emergency vehicles.

CA HB3334

Provides for vehicles operated by canine search and rescue teams to be treated as emergency vehicles

CA SB1252

Provides for vehicles operated by canine search and rescue teams to be treated as emergency vehicles

CA SB00407

An Act Authorizing The Commissioner Of Motor Vehicles To Issue Permits Allowing Organ Transport Vehicles To Use Certain Lights.

CA HB1475

To Authorize The Use Of Green Lights; To Amend The Restrictions On Lamp Colors; To Amend The Colors Of Lights That May Be Used By Emergency Vehicles; And To Define A Roadway Construction Or Maintenance Vehicle.

CA HB367

Revise the law governing dedicated organ recovery vehicles

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