Pretty nice place to visit but u need a strong 4X4 due to high gradients and sharp turns, the road is generally ok but gets very tricky near Khanwal pass,
security situation is okay-ish, as long as you come home well before it gets dark...
the best route is N55 to Sehwan from there you can take a side road directly to Johi, alternatively u can go through Dadu bt that will add 20 km to your journey if you go from Sehwan to Dadu and then to Johi, Wahi pandi and then onwards to Gorakh Hills,
Development work underway is police posts and some road work from Wahi Pandi onwards but till Wahi Pandi you're on your own so its better to have some security, section 144 is currently in place so bear that in mind, Rangers sometimes kick up a fuss but once you get on the highway they dont way anything as long as you have your weapons license etc in order...