If you drive on eastbound Interstate 35/I-80 or east/northbound I-235 to reach northbound I-35 at the Northeast Mixmaster, be aware of upcoming construction.
If you drive on northbound Interstate 35/I-80 between the Southwest Mixmaster and the Iowa 141 interchange you need to be aware of upcoming construction.
If you travel on eastbound Interstate 235 to reach Valley West Drive (exit 1B) in West Des Moines you need to be aware of an upcoming construction project.