This battle is largely over in San Francisco, partly due to citizen activism that prevented the completion of large scale freeway development in the 1950s and 1960s, and partly due to Mother Nature that damaged what was built to the degree that repair was either very costly or near impossible.
Freeways that were mostly never built:
https://www.google.com/search?rls=en...ftcnd0LAKVkzOM
Freeways that are gone:
- The Embarcadero Freeway can be seen in its entirety here, peeling off from the Bay Bridge ramp (I-80) and heading north along the waterfront
https://opensfhistory.org/news/2021/...a-closer-look/
Its replacement is a surface roadway/streetcar line:
https://www.shutterstock.com/search/embarcadero
- The Central Freeway
All but the northward terminus seen here:
https://www.gettyimages.ae/detail/ne...oto/1321921841
Also replaced by a surface boulevard:
https://www.google.com/search?sa=X&r...sybhk0uio_C75M
The current battle is over removal of the terminus of I-280:
https://www.cnu.org/highways-bouleva...-francisco-280
And replacement by something like:
https://www.cnu.org/highways-bouleva...-francisco-280