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Heraklion Installs 34 Smart Sensors to Monitor Traffic and Air Quality

Friday, 10 July 2026/Source: CretaOne/1 min read

The city of Heraklion has installed 34 new sensors at selected locations across its streets, sparking questions and confusion among residents unfamiliar with the devices. Local authorities clarified that the sensors are part of a smart city initiative designed to monitor traffic flow, air quality, or urban mobility data, helping the municipality improve city management and infrastructure planning. For visitors, the sensors pose no concern and require no interaction. They are passive monitoring devices mounted discreetly at street level or on poles throughout the city center and surrounding areas. Tourists driving or walking in Heraklion will notice the small devices but can continue navigating the city normally. The project reflects Heraklion's broader investment in modernizing urban infrastructure ahead of the summer tourism season.

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