People gathered in the city's Pilsen neighborhood in support of bringing bus rapid transit to Ashland Avenue. There was a public hearing at Benito Juarez Community Academy on West Cermak.
If the concept comes to Chicago, "bus-only" lanes would be created in the center of the road.
Supporters say it would shorten travel times for commuters.
Opponents fear the concept would create more traffic congestion and hurt businesses along Ashland.