The City of Brampton has posted the material for Public Information Centre No. 2: for Main LRT
Two options are being carried forward. One surface-tunnel, one surface-only. The two options are compared against each other. No new costing available. Timeline here:
Just to further clarify the timeline piece, since Spring 2021 started on March 20, 2021, the mention that of "Initiate New/Revised Transit Project Assessment process (TPAP) - Winter 2021" appears to show it has fallen behind since I don't believe it started.