Lowering a highway in flash flood alley comes with obvious risks. So TxDOT’s building a drainage tunnel wide enough to drive a semi-truck through it. KUT’s Nathan Bernier reports about this massive underground construction project that will shake things up… literally.

The post Behind those walls along I-35, TxDOT is building one of the largest tunnels Austin’s ever seen appeared first on KUT & KUTX Studios -- Podcasts.