I guess there have been calls to do it for years, but with controversies over a federal mandate to keep it open given that the feds transferred some land. Obviously the same concerns about neighborhood safety and noise. However, the plans might have been delayed by worries about what would happen to the land, where now it’s going to be kept as an open space area rather than developed.
https://www.yahoo.com/news/articles/santa-monica-finally-killing-107-120000356.html
https://www.yahoo.com/news/articles/santa-monica-finally-killing-107-120000356.html