Interstate Maintenance Preservation Program (IMPP) Extends the service life of existing interstates, bridges and roadside features through strategies designed to prevent deterioration.

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  • Interstate Maintenance Preservation Program (IMPP)

    The Interstate Maintenance Preservation Program (IMPP) is a planned strategy of cost effective treatments to interstates; including bridges, pavements, and roadside features that prevent/retard future deterioration and extends service life without increasing structural or traffic capacity. The IMPP is to be used in conjunction with an effective interstate maintenance program to extend the life of bridges, pavements, and roadside features.


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Bridges
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FHWA/NCDOT Agreement
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Pavements
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Roadside
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Supporting Documents
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Training
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