Properly maintained roads require an understanding of what is happening beyond the road surface. Considering the natural functions before beginning maintenance operations can help minimize significant impacts to the road. Keywords: gullies, cracks and slumps, roadside ditch, ditch relief culverts, live stream culverts, brush removal. Produced in cooperation with the U.S. Department of Agriculture (USDA) and the Federal Highway Administration (FHWA). [CLOSED CAPTIONED]

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