2025 Rumble Strips
Please download the project packet below for detailed instructions for submitting a quote.
Quotes will be accepted until Monday, July 01, 2025 at 4:00 P.M.
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Johnson County seeking quotes for rumble strip installation on F12 (140th St NE)
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Prairie Du Chien Road over I-80 in Johnson County set to close June 9 for construction
Weather permitting, Prairie Du Chien Road at the bridge over Interstate 80 will be closed beginning Monday, June 9, 2025. Construction is anticipated to finish in early August 2025.
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Half Moon Avenue NW between Copi Road NW and the Iowa Interstate Railroad will be closed for construction beginning May 5
Weather permitting, Half Moon Avenue, south of Highway 6 between Copi Road NW and the Iowa Interstate Railroad, will be closed to traffic beginning Monday, May 5, 2025, for construction.
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Destruction of Noxious Weeds Deadline is June 1, 2025
To all Johnson County property owners: Destruction of Noxious Weeds
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Paul Wittau hired as Johnson County Engineer of the Secondary Roads Department
The Johnson County Board of Supervisors voted to appoint Paul Wittau as the next County Engineer for the Secondary Roads Department. Former County Engineer Greg Parker retired after 20 years with Johnson County.
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Bridge structures on Derby and Greencastle Avenues closed until further notice
Bridge structures P-34-2 on Derby Avenue SW just south of 560th St SW and M-18-1 on Greencastle Avenue SW just south of IWV Rd SW will close to all traffic at 4:00 p.m. on April 11, 2025.
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Naples Avenue SW over Crooked Creek is now open to traffic
Johnson County is pleased to announce that Naples Avenue SW between 560th Street and the Johnson-Washington County Line Is now open to traffic.
Minor off-road work will continue, so use caution during travel.
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Naples Avenue SW over Crooked Creek is closed for construction starting Monday, Oct. 14, 2024
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Sharon Center Road SW between Highway 1 and Kansas Avenue is open
Sharon Center Road SW between Highway 1 and Kansas Avenue is open to traffic.
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F46 Road (American Legion Road Southeast) now open to through traffic
F46 Road (American Legion Road Southeast), between 400th Street and Wapsi Avenue, is open to through traffic again.
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F46 (American Legion Road SE) road closed to through traffic starting Monday, August 12, 2024
Weather permitting, F46 (American Legion Road SE), between 400th Street and Wapsi Avenue, will be closed to through traffic on Monday, August 12, 2024. Access will be maintained for residents and businesses along this segment of the road.
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F28 (Penn St NW) and James Avenue Intersection are open to traffic
Secondary Roads is pleased to announce that the F28 (West Penn Street) and James Avenue intersection paving improvements in Sections 9 and 10, Township 80 North, Range 07 West, Madison Township, Iowa, are substantially complete and both roads are now open to traffic.