List of DART First State bus routes

The following is a list and description of the bus routes of DART First State, which serves the state of Delaware. In, the system had a ridership of , or about per weekday as of. Routes are divided based on their county of operation, with intercounty services running between counties.

DART First State does not operate any bus service on New Year's Day, Thanksgiving Day, and Christmas Day. A Sunday schedule is operated on Memorial Day, Independence Day, and Labor Day.