# City of Markham Bidsandtenders #232-R-26

Engineering Design Services for Doncaster Avenue and Henderson Avenue Intersection Improvements

**Posted:** October 16, 2026
**Respond By:** November 13, 2026
**Identifier:** 232-R-26
**NAICS:** 541330

The City of Markham is seeking engineering consulting for improvements at the Doncaster Avenue and Henderson Avenue intersection.
- **Government buyer:** City of Markham.
- **Requested services:** Pre-design and detailed design consulting for intersection improvements at Doncaster Avenue and Henderson Avenue.
- **Duration:** 14 months; specific start and end dates are not provided.
- **OEMs and vendors:** No OEMs or vendors are named in the notice.
- **Scope details:** No quantities, part numbers, or further technical requirements are provided in the available notice.

### Description

The solicitation is for consulting services for pre-design and detailed design for intersection improvements at Doncaster Avenue and Henderson Avenue. It is classified as Services and categorized under professional consulting services, including engineering. The bid is open, with a 14-month duration, and submissions must be made online. The source says to refer to the bid document for negotiation type and conditions for participation.

[View original listing](https://markham.bidsandtenders.ca/Module/Tenders/en/Tender/Detail/afb9796e-f84e-4236-923e-12a2ec8f9f02)