Calgary Transit is the public transportation system serving Calgary, operating an extensive bus network and the CTrain light rail system. The system serves approximately 100 million trips annually, making it one of Canada's busiest transit operations. Calgary Transit connects communities across the city with buses, BRT (bus rapid transit) routes, and the CTrain lines. The service offers various fare options including monthly passes, day passes, and discounted rates for youth, seniors, and low-income riders. Calgary Transit planning focuses on improving service to support the city's growth while encouraging transit ridership as an alternative to automobile travel.