an Ultimate Traffic question

Well, I bought the product and I never got any of those features that you mentioned.

I never saw them either, turn up your scenery to the max (all the way to the right) and you'll see jetways at most of the major airports.

I am thinking of buying this products, is there any important ups and downs I should know about and also, does this mod decrease the overall performance of the game?

It depends on your computer system. If you turn the "Traffic" slide to maximum (100%) you will get a FPS hit at major airports, you can of course lower it some, you'll get a little less traffic but the sim seems like new once you add "UT".
I would buy it again in an instant and I don't have a powerful computer now.
To me it's a "must have".

Oh right ok, thanks for the information 🙂

radarman, I did see all the airport facilities after my first time installation of UT. Maybe I was deaming, but the dream seems to be too true to be a dream, I actuall bumped into a boarding deck (concourse?), so I wouldn't forget. But then I installed FS9.1 update, this was the begining of the headache: all flight1 addons stopped working. So I fell back to original FS2004 (fs9.0), reinstalled UT and USAR, since then, all the concourses and service trucks have been gone from the airports where previously they existed.......
I reinstalled everthing including FS and all addons, it never worked like the first time......

I haven't any idea what scenery you did have but "UT" is only a traffic add-on not a scenery add-on.The only way to get the jetways is to turn up the scenery slider or to download and install them one by one for different airports.
If you do figure it out I'd like to know what you had that gave you so much extra eye candy.
Good luck with it.