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Work Zone Safety

The Work Zone Safety Committee oversees work zone traffic safety issues that affect the traveling public and road workers within temporary traffic control zones. Areas of oversight include design policies, standard road plans, specifications, training, research, and new product evaluation as they relate to temporary traffic control zones. Committee members also conduct field reviews during the construction season to observe traffic control installations and recommend changes for future work zones.

Current committee members:
  • Dan Sprengeler, chair
    Office of Traffic and Safety
  • Mark Bortle
    Office of Construction
  • Tim Crouch
    Office of Traffic and Safety
  • Lynn Howieson
    District 2 Office
  • Ken Morrow
    District 5 Maintenance
  • Tom Reis
    Office of Specifications
  • Jerry Roche
    Iowa Division, Federal Highway Administration
  • Dave Roeber
    District 2 Office
  • John Rullman
    Des Moines Construction Residency
  • Steve Smith
    District 1 Maintenance
  • Tom Welch
    Office of Traffic and Safety
Midwest States Smart Work Zone Deployment Initiative
The Office of Traffic and Safety coordinates the Iowa DOT's participation in the Midwest States Smart Work Zone Deployment Initiative (MwSWZDI). MwSWZDI is a pooled-fund study established to develop better work zone traffic control strategies to improve safety and efficiency for highway workers and motorists. Other states participating in the pooled-fund study are Kansas, Missouri, Nebraska, and Wisconsin.

Midwest States Smart Work Zone Deployment Initiative Web site