By train
By train
Trains are usually used to move cargo from the southern provinces to the northern provinces. There are passenger services that run daily from Yaounde to the Adamawa province.
By bus
By bus
It's really worth getting the 'prestige' service if you're coming from Douala. If for no other reason than the seatbealts, it's worth the splurge, but take a jumper incase they crank the air-con.