3D (Long Island bus)

Suffolk County Transit operates a number of bus routes in Suffolk County, New York, United States; a few in the town of Huntington are operated by Huntington Area Rapid Transit. The Villages of Patchogue and Port Jefferson, also have had their own local jitney bus routes, although budget cuts have forced Port Jefferson to take its buses out of service. Some of them are the direct descendants of streetcar lines (see List of streetcar lines on Long Island). No routes operate on Sundays except where noted.

This table gives details for the routes that service Suffolk County primarily. For details on routes that run into Suffolk County but do not service it primarily, see:

Route was merged with the Coram to Port Jefferson Station portion of the S64

Suffollk County Transit operates a weekday rush hour peak-direction express route known as the Suffolk Clipper (formerly known as the S110) between SUNY Farmingdale (with one PM trip originating at Hauppauge Industrial Park) and Farmingville via Route 110. The fare does not differ from local service.

Huntington Area Rapid Transit exclusively serves the Town of Huntington.

These routes run local within the town of Patchogue on weekdays only.

...
Wikipedia