What is the primary function of SEPTA?

The primary function of SEPTA is to provide public transportation services in the Greater Philadelphia area. As the regional transit authority, SEPTA operates various modes of transport, including buses, trains, and trolleys, to facilitate the movement of people throughout the city and its surrounding suburbs. This not only helps residents commute for work, education, and leisure, but also supports the local economy by providing accessible and affordable transportation options.

In contrast, private transportation solutions and ride-sharing services are typically offered by commercial companies and do not fall under the jurisdiction of SEPTA. Additionally, while taxi regulation in Southeastern Pennsylvania may be a responsibility of local or state government agencies, it is not directly related to SEPTA's mission. Therefore, the correct answer highlights SEPTA's role as a provider of public transit, which is essential for fostering connectivity and mobility within the community.