I had the same issue. My citizens are well educated but the industry demands uneducated ones, because they are all level 1 buildings.
At this time I had a partial coverage for fire and a bus line with several stops in my industry area, along with really good connection to the highway.
Now I have fully upgraded industry. That is what I have done:
- cargo train station right in the middle of the industry area
- established full coverage for fire
- added some subway stations
At this time I had a partial coverage for fire and a bus line with several stops in my industry area, along with really good connection to the highway.
Now I have fully upgraded industry. That is what I have done:
- cargo train station right in the middle of the industry area
- established full coverage for fire
- added some subway stations