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Road Commission of Kalamazoo County (RCKC)

4400 S 26th St, Kalamazoo, MI 49048-9699
(269) 381-3171

RCKC maintains, preserves, and constructs roads, bridges, and right-of-ways within Kalamazoo County, excluding cities and villages. RCKC's road system includes over 1,270 miles of road, 63 bridges, 28,500 signs, 49 traffic signals, and 40 flashing beacons.  We invite businesses to partner with us that share our goal of safety and quality, while maximizing every dollar available for our infrastructure. 

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Upcoming Solicitations

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Closed Solicitations

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2026-04: ASPHALT EMULSION MATERIALS
The Road Commission of Kalamazoo County (RCKC) invites qualified vendors to submit proposals to furnish and deliver Cationic Asphalt Emulsion, Anionic Asphalt Emulsion, Cationic Rapid Set Fog Seal Emulsion and Emulsified Asphalt Dust Control Material, as specified.
03/10/2026 02:00 PM UTC
2026-03 TRAFFIC SIGNAL COMMUNICATIONS & MAST ARM INSTALLATION
The Road Commission of Kalamazoo County (RCKC) invites qualified bidders to submit proposals to remove and install traffic signals, mast arms and foundations, handholes, and signal equipment at 9th Street at Stadium Drive and Sprinkle Road at N Avenue. as specified. These services are to be in accordance with the standards established by MDOT.
02/24/2026 03:00 PM UTC
2026-02 AGGREGATE MATERIALS SEASONAL
The Road Commission of Kalamazoo County (RCKC) invites qualified bidders to submit proposals to furnish aggregate materials.
02/10/2026 03:00 PM UTC
2026-01: Asphalt Emulsion
The Road Commission of Kalamazoo County (RCKC) invites qualified vendors to submit proposals to furnish and deliver Cationic Asphalt Emulsion, Anionic Asphalt Emulsion, Cationic Rapid Set Fog Seal Emulsion and Emulsified Asphalt Dust Control Material within Kalamazoo County. RCKC invites bidders to submit proposals to apply asphalt emulsion in coordination with RCKC’s chip seal program to various roads throughout Kalamazoo County, as specified
02/03/2026 03:00 PM UTC
2025-15 SIGN INSTALLATION AND MAINTENANCE SERVICES COOPERATIVE BID
The Road Commission of Kalamazoo County (RCKC) invites qualified vendors to submit proposals for Sign Installation and Maintenance Services, as specified
12/19/2025 07:00 PM UTC
2025-14 WINTER MAINTENANCE SERVICES
The Road Commission of Kalamazoo County (RCKC) invites qualified vendors to submit proposals for contract operators/drivers and/or contract operators/drivers and equipment on an hourly basis for winter maintenance services, as specified.
10/14/2025 02:00 PM UTC
2025-13 WINTER MAINTENANCE SERVICES
The Road Commission of Kalamazoo County (RCKC) invites qualified vendors to submit proposals for contract operators/drivers and/or contract operators/drivers and equipment on an hourly basis for winter maintenance services, as specified.
09/09/2025 02:00 PM UTC
2025-12: Underbody Scraper - Sectional Tungsten Carbide Tipped Cutting Edges
The Road Commission of Kalamazoo County (RCKC) invites qualified vendors to submit proposals to manufacture and deliver underbody scrapers, as specified.
06/17/2025 02:00 PM UTC
2025-11: Rubber Modified Chip Seal
It is the intent of the Road Commission of Kalamazoo County (RCKC) to contract for requirements of Rubber Modified Chip Seal (RMCS) Services as needed for one year, with the option to extend for up to three, one-year extensions by the mutual agreement of both parties. RCKC is seeking qualified contractors to perform Rubber Modified Chip Seal services. The Contractor shall comply with the intent of the General Requirements and Covenants, of the 2020 Michigan Department of Transportation’s "Standard Specifications for Construction" where applicable.
05/20/2025 02:00 PM UTC
2025-10: 8th Street over Sand Creek - 150 Ft South of Hart Drive- Culvert, Material Only and/or Remove and Installation
The Road Commission of Kalamazoo County (RCKC) invites qualified vendors to submit proposals for 8th Street- 150’ south of Hart Drive culvert project. This bid is for the aluminum box culvert only, and/or the removal and installation of the culvert, as specified.
05/06/2025 02:00 PM UTC
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