page_title: Multistorey car park
section_title: Other technologies
hierarchical_section_title: Multistorey car park / Other technologies
caption_attribution_description: English: The device at each lot at this car park detects if a car is present directly beneath it. This helps to determine the number of available lots at a particular section or level.
context_page_description: A multistory car park or parking garage is a building designed for car parking and where there are a number of floors or levels on which parking takes place. It is essentially an indoor, stacked car park. Parking structures may be heated if they are enclosed.
  Design of parking structures can add considerable cost for planning new developments, and can be mandated by cities or states in new building parking requirements. Some cities such as London have abolished previously enacted minimum parking requirements.
context_section_description: Modern car parks utilize a variety of technologies to help motorists find unoccupied parking spaces, car location when returning to the vehicle and improve their experience.  This includes adaptive lighting, sensors and parking space LED indicators (red for occupied, green for available and blue is reserved for the disabled; above every parking space), indoor positioning system (IPS), including QR code, and mobile payment options. The Santa Monica Place shopping mall in California has cameras on each stall that can help count the lot occupancy and find lost cars.
  Online booking technology service providers have been created to helped drivers find long-term parking in an automated manner, while also providing significant savings for those who book parking spaces ahead of time. They use real-time inventory management checking technology to display car parks with availability, sorted by price and distance from the airport.
caption: Ultrasonic sensors above each lot in this indoor car park determine if a car has already taken the lot and indicate using LEDs;[27] and some can send a Bluetooth/SMS message with the parking space number or code.
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