Luminus Plus
Integrated Signal Performance Measures (ISPM) software
Where precision meets performance
Luminus Plus is the industry’s first truly integrated signal performance platform. By unifying infrastructure-based data from ATSPMs with high-penetration probe vehicle data, Luminus Plus gives agencies unmatched clarity into how signals are working and how to improve them. No more switching tools, reconciling sources, or guessing between datasets. Just one platform, total insight.
01
Integrated Alerting
Receive real-time alerts for detection dropouts, abnormal signal behavior, or degraded performance—validated by both infrastructure and probe data to reduce false positives.
02
Unified, Comprehensive Analytics
Use the most complete picture of signal performance and road user performance to pinpoint the exact root cause of your biggest issues in seconds.
03
Complete Project Evaluations
Conduct robust before-after studies using harmonized datasets. Showcase project impact with controller precision and real-world vehicle movement in a single report.
Built for the Work That Matters Most
The Flow Platform goes beyond showing you data — it helps you get real work done, faster and smarter. Whether you're tackling signal retiming, performance evaluations, or before-after analyses, the Flow platform is designed to support your most critical traffic signal use cases from start to finish. Click on the use cases below to explore how Flow makes each task easier.
Proactive Monitoring
Analysis & Diagnosis
Optimization
Reporting
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Current Experience
Agencies often rely on scheduled retiming cycles or public calls for proposals to determine where to retime signals. As a result, retiming decisions are frequently driven by arbitrary timelines or the most vocal complaints rather than actual network need. This approach risks prioritizing the wrong intersections while more critical issues go unaddressed. With limited resources, mistargeted retiming can lead to thousands of dollars wasted per intersection—or the same amount in ongoing costs at problem locations that remain unresolved.
Flow Labs
Flow Labs provides complete visibility across the signal network through continuous performance measurement. Using the Cerberus module, agencies generate custom health scores and automatically identify signals showing the greatest decline in performance or traffic pattern changes. This enables agencies to prioritize retiming based on actual operational need, not guesswork—delivered in simple, daily reports that take seconds to configure.
Solutions
⚃ OUR IMPACT
Integrated insights. Measurable outcomes.
Luminus Plus is transforming how agencies monitor and manage their signals. Cities and regions across the U.S. are using Luminus Plus to reduce delay, improve safety, and streamline signal operations—all from a single, modern interface.
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Manage every traffic management system and data in one platform, without the need for new hardware.
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We’re making cleaner, clearer, safer roads for everyone — right now
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