Car pools are a form of transportation service where a group of individuals share a ride in a single vehicle to reach a common destination. This industry involves the arrangement of passenger transportation services that are not classified under any other SIC code. Car pools are typically organized by employers, schools, or individuals who want to reduce their transportation costs, minimize traffic congestion, and promote environmental sustainability. Car pools can be organized on a regular or ad-hoc basis, and the participants can share the driving responsibilities or hire a professional driver.