There are also numerous commuter buses that residents of the wider Washington region take to commute into the city for work or other events, such as the
Loudoun County Transit Commuter Bus and the
Maryland Transit Administration Commuter Bus. The city also has several bus lines used by tourists and others visiting the city, including
Big Bus Tours, Old Town Trolley Tours, and DC Trails. Many tourists also arrive via charter buses. Following renovations in 2011, Union Station became Washington's primary
intercity bus transit center.