Parkway Inc, a US based parking system manufacturer, has installed Park Assist, a new camera based parking system at its Liberty Place car park in Philadelphia, USA. Park Assist?s ‘Find Your Car’ feature enables drivers to locate vehicles by entering their licence plate numbers on a touch-screen kiosk. Drivers can also avail of this feature on their smartphones using Park Assist?s free app. The system has a real-time sensor network that detects the presence of vehicles in each parking space of a parking lot and guides drivers to vacant parking spots. Coloured LED indicators above each parking space, inform drivers about the number of available parking spaces at each level. The system uses more than 400 cameras