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Practice

Changing light bulbs on overhead signs

In Illinois, contractors are given the option of working over a traffic lane or closing the lane. All of their contractors prefer working over a closed lane. State specifications are very strict concerning conditions of the these closures, including the times closures may take place on high-volume sections of highways.
The document on the web site below is a sample of the traffic control special provision used with their overhead maintenance contracts.

State/Agency: Illinois
Website: Link to URL
Topics: Lane Closure; Maintenance Practices

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