Most parking is free - but that doesn’t mean it doesn’t have a high cost. A recent podcast from Freakonomics Radio examined parking in US cities, investigating the “cost of parking not paid for by drivers” - a cost paid not just by the government, but by the environment - due to congestion and pollution caused by people searching for kerbside parking. For example, in a 15 block area of Los Angeles the distance traveled by drivers looking for parking is equivalent to one trip across the USA per day. One potential solution which they discuss is a San Francisco project called SF Park, which makes use of sensor technology to measure the demand for parking in certain areas of the city and adjust price according to demand. In theory, this would create a small number of empty spaces on each block and dramatically reduce the time that many drivers spend cruising for parking spaces.
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