County engineer flags cost to replace 55 mph signs if state raises secondary road speed limits
Apr 1, 2025
Apr 1, 2025
Cathy Nicholas, Black Hawk County engineer, said Senate File 73 would increase many secondary road speed limits from 55 to 60 mph and estimated replacing about 65 signs would cost roughly $8,500; the board was asked whether to support post-legislative signage-change costs.
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Black Hawk County Engineer Cathy Nicholas briefed the Board of Supervisors on April 1 about local road conditions and a pending legislative proposal that could raise many secondary road speed limits from 55 mph to 60 mph.
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