1972: “A New Spirit Afoot in the Haight”, the NYT celebrates the successful downzoning of the trendy Haight-Ashbury neighborhood of San Francisco. https://www.nytimes.com/1972/08/10/archives/a-new-spirit-afoot-in-the-haight.html #DownZoning #SF
A New Spirit Afoot in the Haight

article on decrease in violence and use of drugs in Haight-Ashbury section of San Francisco; various shopkeepers in area comment on positive influence of new commerce and return to 'mellow-years,' when 'love generation,' communal living and soft drugs made area important part of youth culture in Amer; illus of 2 guitar players on Haight St; map of area

The New York Times
The Great Downzoning - Works in Progress Magazine

It was once legal to build almost anything, anywhere. Then, in the space of a few decades, nearly every city in the West banned densification.

Downzoning Chicago: How Local Land Use Policy Has Reduced Housing Construction and Reinforced Segregation | Published in Findings

By Yonah Freemark, George Kisiel. Downzonings were used by US cities in the postwar period to preserve neighborhood character. These land-use policies were associated with lower housing supply, higher housing values, and increased white population.