The Metropolitan Transit System (MTS) is a public transportation agency that provides bus and trolley services in urban areas. It aims to offer reliable and efficient transit options for residents and visitors, helping to reduce traffic congestion and promote sustainable travel. MTS operates various routes and services, including the San Diego Trolley and numerous bus lines. These services connect key destinations such as downtown, shopping centers, and residential neighborhoods, making it easier for people to commute, run errands, or explore the city without relying on personal vehicles.