I've written these roughly in descending order of how much sense they seem to make for the city, but I should say that I think context matters an enormous amount in determining what kind of transit service makes the most sense, and this is meant more as an attempt at an outline of the tradeoffs…
Daniel Kay Hertz Breaks Down the North Side / South Side Transit Gap - Streetsblog Chicago
City Notes blog – Daniel Kay Hertz
Daniel Kay Hertz (@DanielKayHertz) / X
Rail transit options in Chicago – Daniel Kay Hertz
Daniel Kay Hertz (@DanielKayHertz) / X
Daniel Kay Hertz (@DanielKayHertz) / X
Transit failure in action – Daniel Kay Hertz
Daniel Hertz posted on LinkedIn
Daniel Kay Hertz (@DanielKayHertz) / X
City Notes blog – Daniel Kay Hertz
Daniel Hertz - Director of Policy, Research, and Legislative Affairs - Chicago Department of Housing