Recent Changes to Highway Speed Limits in California: Assembly Bill 1014

California has long relied on engineering data and traffic surveys to determine speed limits on state highways. However, with the passage of Assembly Bill No. 1014 (AB 1014), the state is taking a more proactive approach to traffic safety – especially in areas with pedestrians, cyclists, and historically dangerous road conditions.

This new law strengthens the authority of the California Department of Transportation (Caltrans) to reduce or maintain lower speed limits in designated high-risk areas, even when traditional speed-setting rules might have resulted in higher posted speeds.

Here’s a clear overview of what AB 1014 changes, why it matters, and how it may affect California drivers.

Why California Passed AB 1014

Historically, speed limits in California were primarily determined using Engineering and Traffic Surveys (ETS). These surveys measure how fast drivers typically travel on a road segment and often set speed limits near the 85th percentile speed – meaning the speed that 85% of drivers do not exceed.

While this method reflects real-world driving behavior, critics argue that it can lead to speed limits that are too high for areas with:

  • Pedestrian traffic
  • Bicycle activity
  • Commercial districts
  • Crash-prone corridors

AB 1014 was introduced to give Caltrans additional flexibility to prioritize public safety over prevailing vehicle speeds, especially in areas where vulnerable road users are present.

Key Changes Under Assembly Bill 1014

AB 1014 gives Caltrans expanded authority to lower or maintain safer speed limits on certain state highway segments. The most important change is that Caltrans can now reduce speed limits by an additional 5 miles per hour under specific safety conditions.

Caltrans May Lower Speed Limits by 5 MPH If an Area:

  • Is designated as a safety corridor
  • Has a high concentration of pedestrians and cyclists
  • Is located within a business activity district on a highway that is not a freeway
  • Requires maintaining or reverting to a previously established speed limit (if no new general-purpose lanes were added since the last survey)

This authority allows Caltrans to proactively address dangerous roadway conditions rather than relying solely on driver behavior metrics.

What Is a “Safety Corridor”?

A safety corridor is a roadway segment identified as having an elevated risk of serious crashes or fatalities.

These areas often include:

  • High crash frequency zones
  • Areas with frequent pedestrian crossings
  • Urban or suburban corridors with mixed traffic
  • Roadways with documented safety concerns

By allowing a further 5 mph reduction, AB 1014 provides an additional safety margin in these high-risk zones.

Greater Protection in Pedestrian and Business Areas

One of the most impactful elements of AB 1014 is its focus on areas with vulnerable road users, including:

In these areas, even small reductions in vehicle speed can dramatically reduce crash severity.

Why a 5 MPH Reduction Matters

Lower speeds significantly reduce both crash likelihood and injury severity. For example:

Vehicle SpeedRisk of Severe Pedestrian Injury
20 mphLow
30 mphModerate
40 mphHigh
50+ mphVery high

A reduction of just 5 mph can substantially improve survival outcomes in collisions involving pedestrians or cyclists.

Ability to Maintain Previously Established Safer Speed Limits

Another important provision allows Caltrans to maintain or restore previously established lower speed limits, even if a new ETS might otherwise justify raising them.

This applies if:

  • The highway is not a freeway, and
  • No new general-purpose traffic lanes have been added since the last speed survey, and
  • A registered engineer confirms the roadway conditions have not fundamentally changed

This prevents speed limits from automatically increasing due to changes in driver behavior alone.

How This Differs from Previous Speed Limit Rules

Before AB 1014After AB 1014
Speed limits heavily tied to 85th percentile driving speedsCaltrans can reduce speeds further for safety reasons
Limited flexibility to maintain lower speed limitsGreater authority to maintain safer posted speeds
Less consideration for pedestrian activityExplicit authority to reduce speeds in pedestrian-heavy areas
Difficulty addressing safety corridorsAbility to proactively reduce speeds in dangerous zones

Where Drivers May Notice Changes

Speed limit reductions may occur on:

  • Urban state highways
  • Commercial corridors
  • Roads with frequent pedestrian crossings
  • Areas with documented crash history
  • State highways passing through downtown or business districts

Freeways are generally not the primary focus of these changes, though non-freeway state highways may be affected.

Why California Is Prioritizing Speed Reduction

California has been actively working to reduce traffic fatalities through programs like:

Lowering speed limits is one of the most effective safety tools available.

Even modest speed reductions can:

  • Reduce crash frequency
  • Lower injury severity
  • Improve pedestrian safety
  • Increase reaction time for drivers

What This Means for California Drivers

rivers should expect to see lower speed limits in select areas, particularly in:

  • Urban corridors
  • Safety corridors
  • Pedestrian-heavy areas
  • Commercial districts

It is important to always obey posted speed limits, as they are based on safety data and roadway conditions.

Failing to adjust to reduced speed limits can increase crash risk and may result in traffic citations.

How AB 1014 Improves Road Safety

Assembly Bill 1014 represents a shift toward a safety-first approach to speed management.

By giving Caltrans greater flexibility, the law allows speed limits to reflect:

  • Real safety risks
  • Pedestrian and cyclist presence
  • Crash history
  • Roadway environment

This change helps align speed limit policies with modern traffic safety research and California’s broader efforts to reduce roadway injuries and fatalities.

Assembly Bill 1014 marks an important step in improving traffic safety across California. By empowering Caltrans to reduce speed limits in high-risk areas, the law helps protect drivers, pedestrians, and cyclists alike.

While speed limits may be lower in certain areas, the goal is simple: fewer crashes, fewer injuries, and safer roads for everyone.

Drivers should stay aware of posted speed limits and adjust their driving accordingly, especially in designated safety corridors and pedestrian-heavy areas.

If you’ve been injured in a San Diego car accident, contact Pines Salomon Personal Injury Lawyers today for a free consultation.

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