A while back, I had proposed this myself by splitting the into and "Orange ." with the trains operating as they do now and the "Orange " trains operating to 96th Street-2nd Avenue. What likely would need to be done there would be if split the into and as I would do it, probably have every other train run to 71st-Continental to fill in the void of the being split (or course, CBTC work between Court Square and Queens Plaza on the would have to be completed before this could be accomplished).
In this, the "Orange " would run at all times to 96th/2nd and eliminate the night and weekend shuttles.
And the is utilized and why if they can do the necessary CBTC work between Court Square and Queens Plaza on the , I would return half of the service to QBL to compensate for the loss of the and in this case go back to having the operate entirely to 71-Continental when the is not running on QBL (with the late nights returning to be an express).