A couple of protected bike lanes feature separate signal phases for bikes vs. autos, which seems to be as close as we have to protected intersections - but I've not seen anything as neat & complete as the design in that video.
Originally Posted by
cudak888
A protected bike lane and intersection provide similar safety treatments, but the intersections are often overlooked. NYC doesn't have protected intersections, IIRC.
https://www.youtube.com/watch?v=GgOXM0T_6mI
-Kurt