Iowa DOT News Release

Temporary road and ramp closures in central Iowa for the 2022 Ironman triathlon competition begin Sunday morning, June 12

Posted on: June 06, 2022

AMES, Iowa – June 6, 2022– Six Iowa DOT roadways and ramps in central Iowa will be temporarily closed on Sunday, June 12, at 6 a.m. for the 2022 Ironman triathlon competition, according to the Iowa Department of Transportation’s District 1 Office.

Below is a list of scheduled temporary road and ramp closures on Iowa DOT routes (see map):

  • Iowa 28 from the Iowa 5 bypass to Park Ave from 6 a.m. to 6 p.m.
  • Eastbound exit ramp from Iowa 5 to Veterans Parkway from 6 a.m. to 10:30 a.m.
  • Exit ramp closures at exits 100 and 106 on Interstate 80 from 7 a.m. to 1 p.m.
  • Exit 65 on I-35 closed from 9:30 a.m. to 4 p.m.
  • Eastbound Iowa 92 from Adair County Road P-28 to U.S. 169 in Winterset from 6 a.m. to 3 p.m. (Detour route is Adair County Road P-28 to I-80, I-80 east to I-35, and I-35 south to Iowa 92)
  • Northbound U.S. 169 from Iowa 92 to Cumming Road from 9 a.m. to 4:30 p.m.

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Contact: Gary Kretlow at 515-450-8821 or

Iowa highway in the evening