Say What! Construction on I-29 in Sioux City Is Almost Complete?Say What! Construction on I-29 in Sioux City Is Almost Complete?Get a load of this, construction on I-29 through Sioux City will be completed by the end of 2019! I know, I did a double take too, after I read that as well.Marc ElliottMarc ElliottDakota News NowDakota News Now