Iowa DOT uses connected arrow boards to automatically report when lane closures are in effect in work zones (which is also an indication when workers are present). The connected arrow board indication is used to update the WZDx feed and Iowa DOT’S traveler information system which uses this information to update the icon color that is displayed on the Iowa DOT 511 website based on if the connected arrow board is on or off. There is a verified checkmark when the connected arrow board is turned on.
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