I noticed these on a local news report, here is the Streetview image.
(https://www.aaroads.com/forum/proxy.php?request=http%3A%2F%2Fi1209.photobucket.com%2Falbums%2Fcc395%2FBrian5561%2Fturnonlyshields.png&hash=f34d1884c060f701b4fb71fe7322d9548d16bdf7)
Like you can read that well enough in advance to choose your lane... :rolleyes: