Crews will close several ramps and the eastbound Interstate 80 lanes at the Northeast Mixmaster from to U.S. 65 beginning the evening of Sunday, Nov. 1, weather permitting, according to the Iowa Department of Transportation’s Grimes construction office.
The following closures begin the evening of Sunday, Nov. 1, so crews can connect the ramps to the new eastbound I-80 pavement:
Beginning at 8 p.m. and lasting through 6 a.m. on Wednesday Dec. 9, the eastbound Interstate 235 to westbound I-80 ramp will be closed. Follow the green detour route shown below.
Beginning at 8 p.m. and lasting each evening through Friday, Nov. 6 at 5 a.m., eastbound I-235 to eastbound I-80. Follow the blue detour route shown below.
Beginning at 8 p.m. and lasting each evening through Friday, Nov. 6 at 5 a.m., southbound I-35 to eastbound I-80. Follow the blue detour route shown below.
Beginning at 9 p.m. and lasting each evening through Friday, Nov. 6 at 5 a.m., eastbound I-80 from the Mixmaster to U.S. 65 will also be closed. Follow the blue detour route shown below.

The Iowa DOT reminds motorists to drive with caution, obey the posted speed limit and other signs in the work area, and be aware that traffic fines for moving violations are at least double in work zones. As in all work zones, drivers should stay alert, allow ample space between vehicles, and wear seat belts.



