Peasy is a service for drivers to reserve & use toll parking lot at a reasonable price with a reliability. By introducing ICT into the parking space, Peasy enable to simplify the operations of drivers as well as parking business owners. Drivers can easily search and reserve the parking space with smartphone. The payment is done automatically by a pre-registered credit card. Battery-powered smart sensors that detect loading and unloading of an automobile will be easily installed to the parking space, which makes it possible to run the business for narrow-landed and unprofitable parking lot.