Dave mentions some typical improvements that can be made to a stroad like this, given the political constraints.
The end result of this kind of redesign looks something like this photo.
This is Wonderland Road in Fake London.
Is this better than the stroad in the post above? Yes.
Is it good? Absolutely not.
And the problem is, streets and roads are only redesigned about every 30 years.
So this is it. This is all you're getting for at least a generation.
Lipstick on a pig.