The ramp from westbound US 20/southbound US 75 to southbound I-29 closed Tuesday for an estimated two months, KTIV reports. It’s for a bridge deck overlay and barrier replacement. The Iowa DOT’s signed detour takes travelers north on I-29 all the way to downtown Sioux City at the Floyd Boulevard exit, then back south on I-29. Ironically, a shorter detour would be to continue west on I-129 to the South Sioux City/Dakota City exit and turn around there, then exit from eastbound US 20/I-129 to southbound I-29 right after re-entering Iowa.
Drivers could also use Lakeport Street and Singing Hills Boulevard between the two freeways, but that’s not ideal for semis (or locations along those roads).