Your directions were perfect. Left out of SSR (at the security gate), past OKW, right at the traffic light, follow the road till it dead ends (past Port Orleans) make a left at the traffic light (at the dead end), go past the golf course and the parking lot for FT Wilderness will be on your right. Park in the parking lot and go to the bus stop (which is currently a tent and not very well labled...they are rebuilding the bus stop). Any colored bus (Yellow, Orange, Purple) are the internal buses, just ask the bus driver if they are going to be stopping at the Settlement Depot for Pioneer Hall and you are all set. Give yourself time though as you do have that bus transfer once you get to the parking lot.