University District MICMA Intelligent Transportation Corridor
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A $4.09M federal grant modernised 40 signals in one district. The adaptive layer that retimes lights from live traffic covers six of them on a single avenue, a pilot bolted onto a signal upgrade.
what does this mean?
The strongest source is the operator's or the city's own reporting — an official report, dataset or press release. It grades who did the looking — not how well the project went. All four grades →Part of 1001 Smart Cities — 1,167 documented projects · 🏙️ Seattle city profile · 🚦 Traffic management guide · 🚲 Mobility projects
Seattle's Department of Transportation modernized 40 traffic signals across the University District under MICMA (Multimodal Integrated Corridor — Mobility for All), a $4.09M federally funded programme completed in 2025. It added transit signal priority, bike detection and accessible pedestrian signals, and ran a peer-to-peer adaptive system at six signals on 15th Avenue NE that retimes lights from live traffic data.
🎓 Lesson
The adaptive-signal layer was a deliberately small pilot — six intersections on one corridor — bolted onto a broader signal-modernization grant, not a citywide adaptive rollout.
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📎 Cite this project
1001 Smart Cities (2026). “University District MICMA Intelligent Transportation Corridor” — Seattle, United States. The Smart City Atlas. https://1001smartcities.org/projects/seattle-udistrict-micma/ (last verified 2026-07-19). Data: CC BY 4.0.
The underlying data is free to reuse with attribution — see the open data page.