It's a complete mess there right now. If this is going to go on for the next two years, then there should be a mid-block crosswalk on Tremont in front of the theaters. When shows clear out, it's a mob scene.
And it is exacerbated by Emerson blocking the sidewalk on the other side one block closer to the Common for the Little Building refurbishment.
I hope they dig up and completely replace the street and sidewalks around this. By and large the road and sidewalk infrastructure in this area is awful.