The broader Ann Arbor region is also an interesting case study as it features a well-developed transit systems, different demographics, interesting congestion issues, and two city centers: Ann Arbor and Ypsilanti. The map below is an overlay of a density map for the boarding of the transit system on top of a census map, representing population density.
The video below depicts the operations of the AAATA transit system for the Ann Arbor region on a particular day in 2013. The existing transit system was operated to allow riders to transit with at most on transfer.
The RITMO project will investigate the design of an on-demand transit system for the Ann Arbor region.