 The partial interchange with I-83 features ramps from southbound I-83 to Maryland Avenue one block to the west and to Charles Street itself, and an entrance ramp from Charles Street to northbound I-83.Immediately to the east of the I-83 overpass is Pennsylvania Station, the main train station of Baltimore that has intercity service on Amtrak, commuter service on MARC's Penn Line, and light rail service on the Penn Station spur of MTA Maryland's Baltimore Light RailLink.Charles Street crosses over several tracks of Amtrak's Northeast Corridor and enters the Charles North neighborhood.