Temecula Implements Citywide Adaptive Traffic Signal Control to Optimize Traffic Flow
Region
- America
Country
- United States
Product
- QuicTrac
Tech Stack
- Adaptive Control Software
- Traffic Signal Coordination
Implementation Scale
- Enterprise-wide Deployment
Impact Metrics
- Cost Savings
- Environmental Impact Reduction
- Productivity Improvements
- Customer Satisfaction
Technology Category
- Functional Applications - Remote Monitoring & Control Systems
- Functional Applications - Transportation Management Systems (TMS)
Applicable Industries
- Cities & Municipalities
Applicable Functions
- Facility Management
- Business Operation
Use Cases
- Traffic Monitoring
- Smart City Operations
- Perimeter Security & Access Control
Services
- System Integration
- Software Design & Engineering Services
About The Customer
The City of Temecula is a rapidly growing urban area in California, USA, known for its residential communities, commercial districts, and proximity to the I-15 freeway. The city has been facing significant traffic congestion issues, particularly during peak hours, which has affected the quality of life for its residents. Temecula's major corridors are crucial for connecting residential areas to commercial zones and institutions, making efficient traffic management a priority for the city administration. The city has been proactive in seeking advanced traffic solutions to improve mobility, reduce commute times, and enhance the overall quality of life for its residents. With a focus on leveraging technology to address these challenges, Temecula has implemented various initiatives to optimize traffic flow and reduce congestion.
The Challenge
Hefty Commute Times and Congestion Plagued the City’s Primary Arterials and Freeway Interchanges. Temecula’s major corridors connect the City’s residential communities to commercial districts, institutions, and the region’s primary interstate, the I-15 freeway. Existing signal coordination did not respond to prevailing traffic conditions causing unnecessary congestion. In addition, the lack of communication with I-15 signal interchanges caused traffic to backup on the off-ramps, causing residual queuing during the morning and evening rush hours. The project scope included seven major arterials spanning 18 miles of roadway, connecting residential communities, commercial districts, and the freeway. The city faced significant congestion levels, traffic backup on off-ramps, and major intersections that included freeway access.
The Solution
McCain’s QuicTrac adaptive control software was implemented to lower congestion and maximize thoroughfare with a system that is easy to understand, and simple to set up and maintain. It was selected for its proven local success and ability to maximize the use of Temecula’s existing infrastructure - detectors, controllers, and central control software. Each arterial was evaluated for current conditions highlighting necessary infrastructure improvements (i.e., separating loop detectors to provide lane-by-lane vehicular data) and signal timing plan updates. New traffic volume counts were collected and analyzed to engineer new coordination plans that served as the base parameters for adaptive operations. At the major freeway access points, yellow yield or one-way communication with Caltrans’ signals was established. Coordination plans were then implemented to clear traffic from the ramp signals onto the main corridors to minimize queuing down the ramps, whereas normal coordination emphasizes only movement along the corridor.
Operational Impact
Quantitative Benefit
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