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Welcome to IDOT's new website design! The address for some web pages has changed, so be sure to update any saved favorites as needed. The search index has not been updated yet for the new website design so the search function is not fully operable yet but will be coming soon!

Illinois Department of Transportation

Industry Marketplace

Welcome to the Industry Marketplace, your essential resource for engaging with IDOT. Whether you’re a contractor, consultant, or a Disadvantaged Business Enterprise (DBE), this section offers the tools and information necessary to navigate our requirements and explore collaboration opportunities.

Aeronautics Services

Find resources related to safety, design, land use, planning, and materials in the aeronautics sector.
Bridges and Structures Services

Access webinars, forms, inspection resources, and training materials to support your projects.
Construction Services

Get guidance on compliance, project administration, and standard specifications to navigate your responsibilities.
Disadvantaged Business Enterprise

Get guidance on compliance, available services, and certification processes with our DBE and SBE bureaus
Engineering Architectural & Professional Services

Access key resources like agreements, geotechnical and BDE memos, plus consultant tools including manuals, forms, LCCA tools, and CADD software.
Land Acquisition Services

Explore information on project administration, contract execution, and access to essential manuals and templates.

Application Portal

Access to a variety of software programs, applications, tools, resources and information.  

UCP Search

Directory of certified DBE firms
EPAS

Online access for applying to provide services to IDOT.
Construction Manual

Illinois construction manual
Vendor Documents System

Electronic document filing system
Contractor Pay Items


Pay estimates processed to prime contractors by IDOT
Contractor Pay Summary

View a list of pay items for a contract
Payment Status

Allows State of Illinois vendors and commercial payees to view and download detailed, non-confidential remittance information for payments issued by the State of Illinois

Resources

BDE 124: Request for Authorization to Bid/or Not For Bid Status
BC 57: Affidavit of Availability
SBE 2025: DBE Participation Statement
SBE 2026: DBE Utilization Plan
BDE 356-A: Office of Highways Project Implementation Annual Proposal Bid Bond
BDE 356-B: Office of Highways Project Implementation Proposal Bid Bond