There are multiple medians. We usually go beyond the medians to the area between C and E where you can get to the "real" curb" on the lower level.
Google Maps doesn't have Street View of departure level, but if you see the little bus icon near the curb to the right of "Arrival Level" on the road in this map:
https://goo.gl/maps/TwcmpPzhuKs that's pretty much my spot. It's the upper bus icon of the 3 visible