Operation Silent Night helps lower vehicle noise levels on 17 Avenue S.W.

Noise monitoring data shows measurable reduction in loud vehicle activity during targeted enforcement initiative A data-driven approach to reducing excessive vehicle noise is delivering results on one of Calgary's busiest corridors. Noise monitoring data collected during Operation Silent Night shows measurable improvements in sound levels and a reduction in loud vehicle activity along 17 Avenue S.W., an area identified as Calgary's highest-priority vehicle noise hot spot. To evaluate the impact of the initiative, The City analyzed data from a noise monitor near Tomkins Park and compared results from the August 2026 enforcement period with the same period in 2025. The findings show a significant reduction in loud vehicle events and overall noise levels. During enforcement hours, loud vehicle events decreased from 357 events in 2025 to 267 events in 2026, a reduction of 25.2 per cent. Across the full analysis period, loud vehicle events decreased from 801 to 715, a reduction of 10.7 per cent. Average sound levels during enforcement hours also fell from 71.18 dBA to 68.80 dBA, a decrease of 2.38 decibels. “The results show that when drivers understand the rules and see a visible enfor

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