The invention relates to a road paver or a feeder with a machine frame, a travel carriage driven by a drive unit, and a material hopper arranged in the front in the operating direction on the road paver or the feeder, the material hopper comprising a hopper bottom and side walls extending in the operating direction, at least one approach guidance aid protruding beyond the hopper bottom and the side walls in the operating direction being arranged on the road paver or the feeder in the edge region of the material hopper transversely to the operating direction. The invention further relates to an approach guidance aid of such a road paver or feeder.
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