| Baltimore Harbor Tunnel |
| Twin tunnels extending from the south shore of the Patapsco River to the north shore near Dundalk, MD |
| Chesapeake Bay Bridge |
| Officially named the William Preston Lane Jr Memorial Bridge but more commonly referred to as the Bay Bridge, spans the Chesapeake Bay connecting the eastern shore region to the western shore. |
| Fort McHenry Tunnel |
| Bi-directional tunnel that carries I-95 traffic under the Baltimore Harbor |
| Francis Scott Key Bridge |
| Spans the Patapsco River in Baltimore, MD |
| Harry Nice Memorial Bridge |
| Spans the Potomac River between Newburg, MD and Dahlgren, VA |
| Intercounty Connector |
| Extends east-west for 18.8 miles from Laurel, MD to Gaithersburg, MD |
| John F Kennedy Memorial Highway |
| Portion of I-95 in Maryland that extends from the Harbor Tunnel Thruway (I-895) to the Delaware state line |
| Oldtown Toll Bridge |
| Spans the northern branch of the Potomac River connecting Maryland to West Virginia at Oldtown, MD |
| Thomas J Hatem Memorial Bridge |
| A bridge in northeast Maryland spanning the Susquehanna River between Havre de Grace, MD and Perryville, MD |