The local news stations are doing updated stories on this issue and tonight from WCCO and Fox9 News, they reported that lowered speed limits signs are going up sometime in January when kids are getting back to school from winter break.

You can see the stories here:
https://www.fox9.com/news/leaders-seek-approval-for-school-zone-speed-reduction-on-diffley-road-following-deadly-crash

https://minnesota.cbslocal.com/2019/11/15/groups-work-to-change-eagan-speed-restrictions-where-patric-vitek-was-killed-biking/