Announcement https://www.gta-west.com Detailed map https://www.gta-west.com/wp-content/uploads/2020/08/PreferredRoute_Aug-6-2020_Final-web.pdf Old School & Heritage Roads will be part of a 400 series hwy running from the 400 to the 401/407 interchange within the next ten years. Much construction activity between now and then. See links above. Join the email list at the bottom of the announcement page for updates.