Research Spotlight: Improving Driver Behavior with Dynamic Speed Feedback Signs

Unidentified meeting · January 16, 2026

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Intro: effectiveness of dynamic speed feedback signs

Presentation

0:04 → 0:16(11s)

Speaker 1 said dynamic speed feedback signs, which use radar to measure vehicle speeds and display targeted warnings, are a proven strategy for slowing traffic and reducing crashes.

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Michigan Department of Transportation officials discussed multi‑phase research into dynamic speed feedback signs, saying the signs reduce speeds by an average of about 4 mph and that a third phase will test them in school zones in late 2025.

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Transcript

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