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Work Zone Quick Facts

Work Zone Statistics

  • U.S. work zone fatalities - 980 per year (10-year average)
  • Iowa work zone fatalities - 5.3 per year (10-year average)
  • 136 injury crashes occur per year in Iowa work zones
  • 224 property damage crashes occur per year in Iowa work zones
  • 366 total work zone crashes occur per year in Iowa work zones
  • 90% of Iowa work zone crash fatalities are motorists (10 year average)
  • 10% of Iowa work zone crash fatalities are DOT or contractor workers (10 year average)
  • 75% of Iowa work zone crashes are rear-end crashes

Annual traffic on Iowa highways has increased more than 35 percent during the past 10 years - increased traffic wears out roads faster and makes repairs necessary...and thus, more work zones.

Fines are doubled for moving traffic violations in Iowa road work zones. A work zone is defined as being from the first sign identifying the zone (typically a "Road Work Ahead" sign) to a sign indicating the end of the work zone (typically an "End Road Work" sign). Work zones may either stationary or moving, depending on the work being done.