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Pretty damn cool.“…several hundred flashing lights are being installed on permanent street sweeping signs in the ward that blink red until the street is cleaned. The sweeping truck transmits a signal to the solar-powered light as it passes, turning it from red to green. The lights will turn off completely after 3 p.m.”

Pretty damn cool.

“…several hundred flashing lights are being installed on permanent street sweeping signs in the ward that blink red until the street is cleaned. The sweeping truck transmits a signal to the solar-powered light as it passes, turning it from red to green. The lights will turn off completely after 3 p.m.”

9:05 AM → June 5th 2007

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