You'd be half right but, a lot of the construction (at least between SA and Dallas) is for the benefit of cross traffic and local access.
Yeah there needed to be construction from Waco on down. I figure once this is finished the drive will much more pleasurable.
Before motor fuels taxes are raised, the education lobby needs to take its hands out of this revenue source. Toll roads are not the solution for long distance transportation, although they are justified in places like Dallas, Houston, Austin, Fort Worth, and San Antonio, where it serves as user fees for commuter roads like the Dallas North Tollway or the Hardy Toll Road.