Pre-planned ; When you are going abroad or going for a tour and you make hotel reservations and guides and other stuffs as a part of itinerary
Senorita : I switched my hotel room, because the wifi speed was slow there
Me : Why bother about the wifi when you are travelling?
Seno : It was part of itinerary
A planned travel with the result of being able to do wrongful activity as a direct result of having transversed to the desired property when doing.
Mister Monopoly had an illicit itinerary for when he leaves GO as that was the intention all along.