Surface Transportation

Illinois Tri-State Tollway and I-57 Interchange Phase III


JWI is providing Phase III Engineering Services in support of Phase III of the Tri-State Tollway and I-57 Interchange construction in Cook County, Illinois. The team is performing on-site construction inspection services as well as reviewing working drawing and shop drawing submittals for compliance and completeness, overseeing design changes, providing geotechnical inspection and testing, preparing records, maintaining documentation, submitting pay estimates and change orders and any other duties requiring the services of an engineer to complete this project on a timely basis and by Tollway specifications.


OwnerIllinois Tollway

ClientWight & Company

Completion DateOngoing

MarketSurface Transportation


Project Value$141M

Services Performed

  • Construction Inspection