Citywide Traffic Signal Optimization Project

The citywide traffic signal optimization project helped the City of Corona, California improve travel flow and reduce delay on key corridors. The City worked with Econolite to update timing strategies, improve coordination, and use data to refine signal operations. As a result, motorists and pedestrians experienced smoother movement through intersections. Furthermore, this work supported Corona’s broader transportation goals.

Because travel patterns vary throughout the day, the City sought a solution that could adapt to changing traffic demands. Therefore, Corona invested in a comprehensive signal optimization program that reduced stops, improved flow, and supported safety.

Project Snapshot

Key Project Outcomes

• Reduced vehicle delay at signalized intersections
• Improved signal coordination along major corridors
• Clearer interpretation of traffic data for planning
• Greater consistency in performance throughout the day
• Enhanced support for pedestrian and bike movements

Signal optimization helped Corona traffic engineers reduce stops and improve travel time reliability across city corridors.

Project Overview

In 2024, the City of Corona selected Econolite to support citywide signal optimization. The goal was to improve travel flow and reduce delay on corridors with high peak volumes. Because conditions vary by time of day, multiple timing plans were developed and tested. Therefore, each plan matched conditions more closely. Moreover, performance data guided adjustments to ensure better outcomes.

Signal Coordination and Timing Improvements

Signal coordination was updated to work across key corridors. This work began with performance analysis to identify inefficiencies. Next, planners developed new timing strategies to reduce unnecessary stops. In addition, timing plans were tested in real traffic conditions. As a result, intersections responded more smoothly to vehicle demand. Furthermore, fewer stops improved fuel savings and travel predictability.

Data‑Driven Deployment Process

The optimization effort included several important steps. First, field data was collected using detection and performance tools. Then, timing plans were drafted based on real travel speeds and phase performance. After that, new timing plans were tested and refined. Finally, the plans were deployed across multiple corridors. Because this process was iterative, each adjustment helped improve overall flow.

Technology Used in This Project

• Traffic Timing & Performance Software
• Advanced Detection Systems
• Intelligent Traffic Sensors
• Traffic Signal Controllers
• Professional Services

Operational Benefits

The citywide traffic signal optimization project delivered several benefits for Corona’s transportation network. For example, delays at major intersections decreased and peak‑period performance improved. In addition, smoother coordination across corridors reduced fuel consumption and lowered stop frequency. Moreover, this work helped engineers better interpret performance data and plan future improvements. Consequently, the city has a more responsive and predictable signal network.

Ready to Improve Your Traffic Signal Operations?

Econolite offers optimization and signal performance solutions that improve reliability, reduce delay, and support planning. Contact Econolite to learn how this approach can support your agency’s goals.

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