TARC, which owns the Nia Center on Broadway, said the building is no longer needed and would require extensive repairs.
TARC leadership has spent more than a year gathering input from riders, and now its leaders want more input on four possible route plans after several routes were cut.
Kentuckiana's public transportation agency was one of the first municipal transit systems to buy electric buses, but most of them are out of service.
Beginning June 30, TARC will reduce more than half of its 30 routes to run on a Saturday schedule.
For three hours, people shouted and held signs, making sure those driving downtown knew why they were protesting.
The new route for the Dixie Highway 18 bus is opening access for some riders to some essential stops.
A vehicle drove through a red light into the intersection of 22nd and West Market streets while a TARC bus was going through the intersection.