While ProPublica recently wrote that "wider streets with more lanes that lend themselves to speeding... seem to contribute to the [racial/ethnic] disparities in ticketing," the data doesn't support that theory.
The goal of the legislation is to ensure that every time CDOT repaves a street, rather than simply restriping it the same way as before, it prioritizes the needs of people walking, biking, and riding transit.
The transportation department could take one very simple action to help more broaden the demographics of who has a say in Chicago mobility projects, but for some reason it has resisted doing so.