The Decatur Public Transit System is the primary provider of mass transportation in Macon County, Illinois.

Fourteen main routes, plus one downtown shuttle using replica trolleys, serve the region.

[2] The Decatur Public Transit system (DPTS) operates 15 bus routes and a downtown trolley route on a pulse system with buses departing the downtown Transit Center at 15 and 45 minutes past each hour.

Hours of operation are Monday through Friday from 5:30 A.M. to 7:15 P.M. and on Saturday from 6:15 A.M. to 7:15 P.M. Up until 2022, no service was provided on Sunday or on major holidays.

[3] Beginning October 9, 2022, Sunday service began as a one year pilot project with buses running from 9 A.M. to 6 P.M.[4] The Senator Severns Transit Center, located downtown at 353 E William St, serves as the primary transfer hub for the Decatur Public Transit System.