This isn’t an unexpected situation, given that the 2014-19 plan did not have any entries for it, but finishing making US 30 four lanes in Tama and Benton counties won’t start until 2020 at the earliest, reports the Cedar Valley Times.
The news in the short bit would be that the part in Tama County could be done first, even though it is the much hillier half, because ROW acquisition is moving along.
I’ve mentioned before that this new 30 would run just south of the existing road in Benton County, and just north of the existing road in Tama County. I did not point out a very big practical reason a four-lane has to be all-new: The current two-lane has a milled rumble strip on the centerline, intended to prevent head-on collisions. (Although I see no reason why the pavement couldn’t be ripped up and the new roadbed built in the same place. *shrug*)