https://lmnarchitects.com/project/4th-columbia-mixed-use-tower
https://skyscraperpage.com/diagrams/?cityID=27&status=15
Of course various planned buildings can go through a design change or even be cancelled.
https://www.theurbanist.org/2016/01/05/the-metro-neighborhood-a-renewed-vision-for-downtown-seattle/
Even transportation routes and technologies can change or be scrapped.
https://www.theurbanist.org/2017/08/21/map-week-sound-transits-new-system-expansion-map/
