Caravan by DART helps commuters locate others with like travel patterns to share rides in vanpools. DART has a fleet of vans used by groups of five to 12 commuters for trips to and from work, and nearly 100 vanpools in operation.

Caravan currently serves a 20-county region that includes Adair, Boone, Carroll, Crawford, Clarke, Dallas, Decatur, Guthrie, Iowa, Jasper, Lucas, Madison, Marion, Marshall, Polk, Poweshiek, Story, Union, Warren and Wayne counties. Additional vanpools are continually being created.