Abstract: A method and a system for road monitoring, comprises the steps of receiving, via a communication module, a first point cloud data from one or more designated road side units (RSUs) from one or more of a plurality of RSUs located in a defined geographical area; receiving, via the communication module, a second point cloud data from one or more designated vehicle on-board data processing units of vehicles located in the defined geographical area; processing, via a processing module, the first point cloud data and the second point cloud data to generate a processed point cloud data; and transmitting, via the communication module, information derived from the processed point cloud data to one or more of the RSUs and/or the vehicle on-board data processing units of vehicles located in the defined geographical area.