There you go with the "all or none" idiocy -- again...
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I have never advocated against building roads as they are needed, where they are needed, for the purposes they are needed -- and considering all impacts (including economic and social) in all the specific regions they serve and/or pass through.
What I categorically reject is the notion that the massive, one size-fits-none "include everything but barge canals and bridle paths" multi-mode corridor is the correct answer for most of Texas (if for anywhere in Texas). In fact, I insist that the TTC "corridor" as proposed is not a design but, is, rather, a political scheme.
(Designs require tradeoffs to accomodate local conditions; the TTC as proposed includes no such analysis.)
In fact, I have proposed formally, to TXDOT, (via a highly-graphic Powerpoint-like engineering cost-benefit analysis presentation) that I69/TTC be built as a cargo-only corridor, departing Texas into LA at Shelby County. And I further proposed that passenger traffic be retained on improved, at-grade, open-corridor Interstate upgrades of existing roads.
The Corridor would actually concentrate the things which generally require eminent domain into a small strip of land.
You'd have to explain to me what that's not good.
Assuming we need more roads in the future, and your answer implies that you accept that premise, then why not do it intelligently?