MAG has released the 2050 Transportation plan for Utah County.
https://www.arcgis.com/apps/MapJourn...1ed67fbc762db9
Here is just the transit portion:
https://www.mountainland.org/img/tra...50_transit.pdf
Overall, I am happy to see that transit is being embraced by Utah County. I am however not sure about a Trax line from SLC to Spanish Fork. I think this may rank near the top for longest LRT line.