Austin's main traffic problem is the tree huggers put their heads in the ground like the proverbial Ostrich and refused to accept that the city was growing. Now with over 1 million people, they still have no loop(Mopac is not a loop). The only way to get from S. Austin to N. Austin is I35. I lived there in the late 80's and it was great. I move back to Cedar Park in the late 90's and 183 was a nightmare. The city has grown too fast for the infrastructure.