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INTERRA, Inc.

INTERRA, Inc.

Engineering, Inspection & Testing

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Transportation

A partial list of Transportation projects are below:

  • CTA, EV Bus Two Charging Stations
  • ISTHA, Systemwide Materials Engineering Contract RR-14-4195 (Prime) Independent Assurance for Elgin O’Hare Western Access (EOWA) Corridor
  • IDOT, District One, QA Various Counties, Various Locations
  • Chicago Department of Transportation, Quality Assurance Contract
  • IDOT, Jane Byrne Interchange Northwest Flyover
  • IDOT, Route 59 Diamond Interchange (First Diamond Interchange in Illinois)
  • CTA, Brown, Blue, Green, and Red Lines at Specific Locations
  • Illinois High Speed Rail, Union Pacific Railroad

Contact Us                     

BOLINGBROOK (Corporate)
600 Territorial Drive, Suite G
Bolingbrook, IL 60440
Phone: 630.754.8700
Fax: 630.754.8705

 

Locations                                         

ITASCA
300 Park Boulevard
Suite 310
Itasca, IL 60143
Phone: 630.754.8700

FRANKLIN
5004 W. Ashland Way
Franklin, WI 53132
Phone: 414.235.3170
Fax: 414.921.4104

Certified & Prequalified

  • American Association of State Highway & Transportation Officials (AASHTO) - Lab
  • Illinois Department of Transportation (IDOT)
  • Wisconsin Department of Transportation (WISDOT)

Minority & DBE Qualified

  • Illinois DOT (IDOT) – DBE
  • Wisconsin DOT (WISDOT) – DBE
  • City of Chicago – MBE
  • State of Wisconsin – DBE
  • State of Illinois CMS – MBE
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