I'll still buy one for you to further elaborate on my 'car-centric' position/lifestyle/ideals/devotion.
But is there a good reason to keep it closed? What is the goal here?
-safety?
-space for people?
-urban activation?
-other?
We can still plant seeds and showcase what 'could be' once we have need, density, footfall, desire, suitable frontages... etc. etc. etc.
It's aspirational to have the Avenue a pedestrian wonderland and one we should pursue, but removing a lane 'to give it back to the people' ain't going to do very much at all and if anything create a less desirable solution for more people.
Retain the oneway east for limited traffic, deliveries, access, pickups, taxis etc. Heck, only permit delivery, car share and taxi use if you want.