Not sure which picture you are referring to, but this is the sign that comes after the diagrammatic sign:
https://goo.gl/maps/FW8yVZ7nY2HoQmvx5
Then this one at the actual split:
https://goo.gl/maps/nxztgS137xeMHyBdA
The BC example serves the same role as our regular exit sign, albeit with...