From my personal experience there is not much RP to be found in higher level regions of the games unless you are the one to conduct it; call in a few friends who have a mutual interest in the RP and would love to tag along, and to ICly experience the new regions(Or simply all) that the game has to offer. I do indeed RP in those high level regions, but I have been trying to for weeks to get the RP to grow active there. All this was from little to no avail, it just appears to me that it is a very difficult task to encourage RPers to be independent in these regions, therefore RP is lacking.
Plenty of folk play on Laurelin SPECIFICALLY for the RP, and you will notice this. They have absolutely no interest in game content and would not go about exploring what else of Middle-Earth as Turbine has offered, therefore these players are bound to one single location: Bree, the Prancing Pony. That, by me appears to be the most active RPing hub in Laurelin, unless there is one that I am unaware of. Thus players flock to the Prancing Pony to get their daily dosage of RP.
I myself have a good twelve characters on Laurelin. Some here, some there; in such a way I allow myself to experience Middle-Earth in the way that my characters are capable without having them 'tainted'(It's a strong word, yes) by experiencing the rainbow nation of folk from afar that Bree has to offer. It leaves some interactions for my characters a mystery until the glorious day comes in which he randomly finds himself in the company of a specific kin-folk and he can react as he would! Exciting bits of RP.
With twelve characters I find myself able to log what I want for specific RP. If I want Elf RP then I would log my Elf and more so venture into HoF for the weekly event.
If I want Bree RP I would rather log one of my characters who are most likely 'permanently' stationed there due to what ever circumstances have brought him there. I seldom find a point in having my character travel back and forth endlessly to experience some newly added game content, and then to experience some active RP.
All of the above summed up: I have plenty of alts and each of them serve the purposes of my creativity, and the purpose of active RP. Though not only that: One needs to have friends with common interest if they are wanting to get RP in the more remote places of Middle-Earth. Joining kinships and getting involved in some things does aid to meeting new folks and new RP opportunities!
[center]Proud Laurelin Role-Player and enjoying game content where I may! [b]One they know as Eggy, Another they know as Awi, Ceorlgar, another they know as Terry, Tohmo, Thinuial, Then one they know as [color=red]Red.[/color][/b] and that is only half of my love-able lot![/center]
[center][color=pink]And I have no idea how to use forums....[/color][/center]