When you visit Jerusalem as a tourist don't miss a tour with the famous Bus 99 - ridining a double decker bus, offering views of around 85 major tourist and historical sites in Jerusalem.
Now tickets can be bought only at the ticket office on the same 6th floor or in the terminal next to the ticket office. Owners of Rav Kav should also receive a ticket at the ticket office.
Check out the philipino stores (floor 4, near the post office) for some unusual drinks, snacks and food. Canned coconut juice is especially refreshing.
By the way "It was the largest bus station in the world from its opening date until 2010, when it was overtaken by Delhi, India's Millennium ParkBus Depot. " wiki
Terribly maintained place and very unsafe. Many rubberies and rapes were reported and some murders as well. Unfortunatelly since it's a "Central Bus Station" people must go there. WATCH YOUR BACK!
Shreruts come here as a transfer point. While you wait, you can observe the racist practices of Israeli 'security' where they stop and I.D. ALL Arabs and none of the many illegal Sudanese & Filipinos.
If you love life, if you care about yourself, avoid this place at any cost. Never take a taxiMonit Sherut from there, or walk there alone, or at night. Watch your ass, literally.
Don't take a cab from the area with the monit sheruts, they'll try to charge you 60 shekels no matter where you're going, better to hail one from levinsky