DART First State operates two year-round inter-county bus routes and a third seasonal inter-county bus route which serves coastal communities in Sussex County.
| Route | Line Name | Terminals | Cities Served | Notes | |
|---|---|---|---|---|---|
201
| Rehoboth Beach | Rehoboth Beach Park & Ride | Rehoboth Beach Boardwalk | Rehoboth Beach | Seasonal service |
203
| North Local | Rehoboth Beach Park & Ride | Tanger Outlets | Rehoboth Beach | Seasonal service |
204
| Lewes | Rehoboth Beach Park & Ride | Cape Henlopen Drive | Rehoboth Beach, Lewes | Seasonal service |
205
| Late Night/Local | Rehoboth Beach Park & Ride | Tanger Outlets/Cape Henlopen Drive | Rehoboth Beach, Lewes | Seasonal service; combined 203/204 service operating after 9:00pm |
206
| Georgetown/Lewes/Rehoboth | DelTech/Georgetown Campus | Rehoboth Beach Boardwalk/Park & Ride | Georgetown, Lewes, Rehoboth Beach | Year-round service, seasonal service to Park-and-Ride lot |
207
| Rehoboth/Long Neck/Pot-Nets | Rehoboth Beach Park & Ride | Massey's Landing | Rehoboth Beach, Long Neck | Seasonal service |
208
| Rehoboth/Ocean City | Rehoboth Beach Park & Ride | Ocean City, Md. | Rehoboth Beach, Dewey Beach, Bethany Beach, Fenwick Island | Seasonal service |
212
| Georgetown/Laurel | DelTech/Georgetown Campus | Laurel Commons | Bridgeville, Seaford | Year-round service |