Abstract: A passenger seat detection system for vehicles is disclosed. The detection system will alert the driver of a bus if people or objects are still remaining on a seat within that particular vehicle. Each seat will contain an incorporated sensor which will detect the weight of an object or person sitting on that seat. The sensor is electronically connected to an internal electronic system that connects up to a dashboard light and horn, alerting a driver to the presence of someone or something remaining on the vehicle. The passenger seat detection system could be used on all types of buses and other means of transportation, such as trains, airplanes, or other common carrier or public means of transportation.