W. K. Lis
Superstar
Had this floating around my hard drive. This is very likely what we'd be discussing today the the DRL had been completed 15 years ago, as it should have. It would have likely solved any Yonge capacity issues for the foreseeable future.
Full sized version.
I would have extended the red "local" line northward with stations at or near Lytton Blvd./Blythwood Rd. (midway between Eglinton & Lawrence), Lawrence, and Glen Echo Rd./Yonge Blvd. (midway between Lawrence & York Mills).