| 4.5 | 4.5 | Between Lexington Park and California via MD 235 | STS |
| 11 | 11 | Great Mills/California Route | STS |
| 12 | 12 | Leonardtown Route | STS |
| 3 | 3 | Great Mills Route | STS |
| 4 | 4 | County Span Route | STS |
| 1 | 1 | California Route | STS |
| 5 | 5 | Calvert Connection | STS |
| 14 | 14 | County Span Saturday Route | STS |
| 2 | 2 | Charlotte Hall Route | STS |
| 6 | 6 | Northern Route | STS |
| 7 | 7 | Southern Route | STS |