[pilsenarch]

^Pilton/Jarta, all "traffic studies" are red herrings and I think most of the forumers on this thread realize this (the only ones who might not, probably have a distorted view (oops, excuse the pun :-) ) by living in the immediate neighborhood)... whatever changes to the program and additional highrises that might happen here will have negligible effect on traffic, unless they change both towers to hotels, and even then it would not really be a significant issue...
Orleans/Lake/Wacker/Canal/Kinzie can easily handle all of the traffic... will there be congestion, particularly during rush hours? of course, but that's part of why we all love dense cities and I can't remember when congestion in that part of our city has ever been an issue... (or, really, in any part of our city including Streeterville)