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Citywide Parking Sensors for Lowering Congestion Solution by: Smart Parking and Westminster City Council

London, UK: By installing parking bay sensors across the city, this solution allows motorists to directly access available parking spaces – reducing congestion, air pollution, and fuel consumption in the process. The Triple Bottom Line

Environmental Air pollution is lowered by reducing time spent cruising for available parking, which according to Smart Parking accounts for a significant amount of urban traffic.

Social As air pollution from traffic congestion leads to 2,200 premature deaths annually in America’s largest cities alone, this solution has significant health benefits.1

Economic Users benefit from lower motoring costs by saving on fuel and wasting less time looking for parking spaces.

This solution delivers real-time information regarding parking space availability to smartphone users in order to improve urban air quality and reduce congestion. This is made possible by installing accurate and durable infrared sensors which detect when vehicles are present and transmit the information to a central server via zone controllers. Following a successful trial, and around 100,000 downloads of the accompanying app, this solution is scaling in the West End of London. Having already installed over 3,500 parking bay sensors, work will continue over three years to install up to 10,000 across central London Borough. Why a Sustainia100 solution? According to Smart Parking, half a million vehicles compete for 12,000 parking spaces in the City of Westminster daily. The company also reports that 30% of traffic is made up of drivers seeking an open parking space, while 15% are empty because they cannot be located. This technology offers a solution to the problem that can easily be adopted by drivers.

Smart Parking’s ParkRight app clearly shows parking categories and real-time space availability in Westminster.

Developed: UK and New Zealand

Deployed:  11 countries, including the UK, United Arab Emirates, and the Czech Republic


Levy et al. “Evaluation of the Public Health Impacts of Traffic Congestion: A Health Risk Assessment.” Environmental Health, 2010, 9:65.

“Smart Park helps cities  reduce congestion and pollution  through the use of intelligent technology.” Charlie Leaper, Managing Director, Smart Parking


Sustainia100 2014