Smart parking: A launchpad for intelligent transportation

In 2007 city drivers in a pint-sized 15-block district in Los Angeles drove more than 950,000 miles, emitted 730 metric tons of carbon dioxide, and burned 47,000 gallons of gas … searching for parking.
There’s a good bit of irony at work in those numbers, considering that there are an estimated 4.5 parking spaces per vehicle in the United States, including three surface parking spaces per vehicle. Of course, don’t tell that to an urban driver searching for a parking spot in a busy city.
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