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blue box

In late 2021, NCTD launched the BREEZE Speed and Reliability Study to improve service on ten high-priority bus routes.

The study’s primary goal is to identify and prioritize opportunities to improve the speed and reliability of these ten BREEZE routes through the implementation of transit supportive infrastructure, technology, and policies.

Study Purpose & Focus

This study builds upon the previous Land Use and Transit Integration Study and Strategic Multimodal Transit Implementation Plan. The study supports NCTD’s five-year plan to increase frequency on its core BREEZE bus network to provide fast, frequent, and reliable service on its highest-ridership routes.


Implementation of the study’s recommendations will:

  • Improve BREEZE Service
  • Increase Mobility
  • Enhance Safety
  • Increase Ridership

Advance Local and Regional Goals For:

  • Complete Streets
  • Multimodal Transportation
  • Climate Action

Study Features

10 high-priority bus routes targeted


Fully Funded


Expected Completion: Summer 2023


Recommendations will include:

• Priority Traffic signal and other signal                   improvements

• Transit priority lanes and stop design projects

                   • Bus stop projects and bus route alignment                    improvements


The study is divided into three phases, with each phase featuring engagement with local cities and other stakeholders.

Corridor Study Map

This Study is evaluating 10 corridors for opportunities to improve speed and reliability.

Project Prioritization

Highest-priority projects were determined through six prioritization categories:

  • Mobility Benefits
    • Riders served, total time savings, time saving per rider
  • Equity and Community Benefits
    • Disadvantaged/Justice40 community served, Title VI route
  • Traffic and Parking Impacts
    • Data analysis of traffic impacts of proposed improvements
  • Regional and Local Consistency
    • Consultation with City/County staff, consistency with Regional Plan
  • Cost
    • Planning-level cost estimate of improvement
  • Jurisdictional Coordination
    • Necessary review by Caltrans, CPUC, Coastal Commission, etc.

City & Stake Holder Engagement

As these bus corridors cross jurisdictional boundaries and serve a diverse range of passengers, the study’s engagement component focuses on working with city staffs and key stakeholders to understand local conditions, share solutions across corridors, and develop strategies that are sensitive to community needs. This process will help refine the strategies for implementation as future projects.

The study’s engagement includes:

  • Technical Working Group: Input from city planners and engineers about local context, priorities, and the technical details of strategy recommendations.
  • Stakeholder Engagement: Input from key stakeholder groups such as about the wide range of travel needs, especially in regard to disadvantaged communities and transit-dependent populations.

As the strategy recommendations advance beyond this study toward design and implementation, additional engagement activities are expected that will move beyond the technical focus of this study into opportunities for broader public involvement.