Explore Chicago Collections
https://explore.chicagocollections.org/records/?browse-names=yes&sort=title&f2-topics=Natural+%26+Built+Environments%3A%3ARoads&=&f1-names=Chicago+Plan+Commission&f3-topics=Natural+%26+Built+Environments%3A%3ARailways&f4-topics=Natural%20%26%20Built%20Environments::City%20Planning