I doubt it.
Gameinformer just published an interview with Ralph Fulton and Alan Hartman (click here) and in it they mention the lack of multiplayer lobbies.
What was the team’s thinking behind the decision to not include traditional race- or location-based multiplayer lobbies?
RF: Online multiplayer was something we really wanted to improve in Horizon 2, and that necessitated a real “back to the drawing board” approach. At the start of the project we thought hard about the experience we wanted our players to have, and something which runs through the whole game’s design is the idea that we never want you to stop driving; we always want to keep you in the world, having fun. You can see that in the design for ANNA as well – she’s there to help you out so you don’t have to pause and go to the map if you don’t want to. So with online, and specifically with the process of getting into online from the solo game, we challenged ourselves to come up with a way which allowed you to access multiplayer instantly, in a way which didn’t interrupt your gameplay experience. Having traditional lobbies wouldn’t have achieved that – lobbies take you out of the game and make you wait, and for some people that’s a reason not to try online in the first place. I think the seamless transition into online which we created is one of the reasons why so many more people are playing online in Horizon 2, and the feedback we’ve had on this feature has been amazingly positive.