I would run the via 6th Avenue from West 4th Street via the on the 63rd St line and have the run local,
the would go to 57th Street, and I would extend the to its pre-2010 route to 71st Avenue, of course with full length trains. service would remain uncanged, except for some reroutes to 96th Street.
As for the , service would remain unchanged except for the skipping of Court Square.