Iowa restripes interstates with black and white hash marks for improved visibility in changing weather.

Iowa is restriping interstates with black and white hash marks, known as "Contrast Markings", to improve visibility during changing weather conditions. This design helps see the lines better in bright sun or other situations where the white line may be hard to distinguish. The black lines, which work well on concrete pavement, are meant to stand out in various conditions for increased road safety.

July 21, 2024
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