# City of Chicago #77313,1

Construction of the Grade Separated Service Roadway A3/A4 at O’Hare International Airport

**Posted:** September 14, 2026
**Respond By:** October 27, 2026
**Identifier:** 77313,1
**NAICS:** 237310

The City of Chicago is seeking construction of the Grade Separated Service Roadway A3/A4 at Chicago O’Hare International Airport.
- **Government buyer:** City of Chicago, Chicago Department of Aviation.
- **Requested work:** Construct the Grade Separated Service Roadway A3/A4 at O’Hare International Airport; no quantity or part number is specified.
- **Funding and identifiers:** The solicitation notes federal funding and is identified as Specification 1343562 and RFQ 77313,1.
- **OEMs and vendors:** No product manufacturers, OEMs, or construction vendors are identified.

### Description

The solicitation is for construction of the Grade Separated Service Roadway A3/A4 at Chicago O'Hare International Airport. The specification number is 1343562, and the procurement type is listed as BID. The pre-bid meeting is scheduled for September 29, 2026, at 10510 W. Zemke Road, Chicago, IL 60666 O'Hare AAB. Responses are due October 27, 2026, at 11:00.

[View original listing](https://webapps1.chicago.gov/vcsearch/city/solicitationdetails/-77419eprocurement)