Update: I was able to find the "Appendix K to the UP Express Electrification TPAP Report" that @crs1026 referenced. The last page had the key clue which was a reference to:
I was abe to use the Waybackmachine for this website...
Chapter 2 seems to have a written description. Using different combinations I can't seem to find Appendix K....yet.
Here's the link: https://assets.metrolinx.com/image/upload/Documents/Metrolinx/EPRChapter2_FINAL.pdf
This document doesn't have the actual track plan/design study but it does...
Someone on the Discord server for More Transit for Southern Ontario (in the general thread) posted this:
https://assets.metrolinx.com/image/upload/Images/Metrolinx/Notice_OnCorridor_Tree_Removals_Resources_Rd_August_2024.pdf
Two articles on the new Caltrans electrified service:
https://www.paloaltoonline.com/transportation/2024/08/10/a-new-generation-passengers-ride-caltrains-electric-fleet-for-first-time/...
Are the wooden hydro poles still between Rees and York? I took pictures of them in 2020 and in an un-related DM exchange with Toronto Hydro I noted they never replied to my DM in 2020 asking when they would be removed. I was going to swing by the location this weekend to see if they were still...
My only comment on the above is that it will be fascinating when the final service plan is publicly released, one day, by ONExpress/Metrolinx for OnCorr. I know it will be reviewed and dissected in detail here (or the GO Electrification thread).
Re Don Layover
https://www.metrolinx.com/en/discover/metrolinx-identifies-new-location-for-go-layover-facility
Re 'half-mile bridge' there's speculation it could be part of VIA HFR...