A system for automated collection of tolls from moving or stopped vehicles through wireless technologies. Components of the system architecture may include wireless sensor nodes, web and mobile applications, and a cloud platform. Wireless Sensor nodes enables vehicle detection and classification, and establishes a communication link to the back-end of the system. The central database and the web server are hosted in the Cloud while a mobile application is used for electronic transactions, subscription renewal, notification of toll payments, and for tracking toll payment history. Another technology used for electronic toll collection on pay-per-use roads is Automatic number-plate recognition. ANPR uses optical character recognition on images to read vehicle registration plates . Electronic License plates with connectivity to mobile network may be used to automatically pay tolls.