Madison County Transit
| Two MCT buses at the Alton multimodal station | |
| Founded | 1980 | 
|---|---|
| Headquarters | 1 Transit Way Pontoon Beach, Illinois, 62040, U.S. | 
| Service area | Madison County, Illinois St. Clair County, Illinois St. Louis, Missouri | 
| Service type | Bus Paratransit Shared-use paths | 
| Alliance | Metro Transit St. Clair County Transit District | 
| Routes | 24 bus routes 12 shared-used paths | 
| Hubs | 5 transit centers 18 park and ride lots | 
| Fleet | 88 Diesel buses 26 Paratransit vans | 
| Daily ridership | 5,800 (weekdays, Q1 2025) | 
| Annual ridership | 1,681,400 (2024) | 
| Chief executive | SJ Morrison | 
| Website | mct.org | 
Madison County Transit (MCT) is a public transit operator that serves Madison County, Illinois, a suburban county northeast of St. Louis. Its services include bus, microtransit, paratransit, and a "rails to trails" network. In 2024, the system had an annual ridership of 1,681,400, or about 5,800 per weekday as of the first quarter of 2025.