AMTRAK has multiple routes and stations along the Northeast Corridor and in Central Maryland. As of June 2015, Amtrak operates an average of 57 MARC Penn Line commuter trains every weekday, on the Northeast Corridor (Washington - Baltimore - Perryville).
The Regional Transportation Agency of Central Maryland (RTA)
The RTA is an organization made up multiple jurisdictions to establish a more effective and efficient public transportation system across Central Maryland. The RTA has combined the management and administrative functions of all jurisdictions to reduce operating expenses and provide a better customer service experience for riders.