The June 6, 2023 Planning and Works agenda for the region includes a map (pg 53) that marks Ottawa St from the Sunrise Centre out to Breslau as a regional intensification corridor. The other sections marked as this are the existing and planned LRT routes; the Ottawa route shows a shared station at Mill.
https://pub-regionofwaterloo.escribemeet...entId=4036
https://pub-regionofwaterloo.escribemeet...entId=4036