| | FIPS | County | State | Coordinating Agency Name |
|---|
| 443 | 24003 | Anne Arundel | Maryland | Balitmore MPO |
|---|
| 444 | 24005 | Baltimore | Maryland | Balitmore MPO |
|---|
| 445 | 24009 | Calvert | Maryland | Metropolitan Washington COG |
|---|
| 446 | 24013 | Carroll | Maryland | Balitmore MPO |
|---|
| 447 | 24017 | Charles | Maryland | Metropolitan Washington COG |
|---|
| 448 | 24021 | Frederick | Maryland | Metropolitan Washington COG |
|---|
| 449 | 24025 | Harford | Maryland | Balitmore MPO |
|---|
| 450 | 24027 | Howard | Maryland | Balitmore MPO |
|---|
| 451 | 24031 | Montgomery | Maryland | Metropolitan Washington COG |
|---|
| 452 | 24033 | Prince Georges | Maryland | Metropolitan Washington COG |
|---|
| 453 | 24035 | Queen Annes | Maryland | Metropolitan Washington COG |
|---|
| 454 | 24037 | St. Mary's | Maryland | Metropolitan Washington COG |
|---|
| 455 | 24043 | Washington | Maryland | Hagerstown-Eastern Panhandle MPO |
|---|
| 456 | 24510 | Baltimore City | Maryland | Baltimore Metro Council |
|---|
