.
| BHT | Baltimore Harbor Tunnel |  |
| FMT | Fort McHenry Tunnel |  |
| FSK | Francis Scott Key Bridge |  |
| HMB | Thomas J. Hatem Memorial Bridge |  |
| HWN | Harry W. Nice Memorial Bridge |  |
| JFK | John F. Kennedy Memorial Highway |  |
| WPL | William Preston Lane, Jr. Memorial Bridge (Bay Bridge) |  |
|