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Road with pavement in cobblestones |
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The length of a cobble stone section is indicated by a gray line. |
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Unpaved but stable road surface of good quality. Usually this road surface consists of fine, rammed materials such as gravel. |
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The length of a good unpaved road surface is indicated by a yellow line |
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The road has a paved surface with structure (Concrete pavers, Tiles, ...) or it is a paved road surface in poor condition. |
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Unpaved road surface in loose materials or soil, often subject to rutting. In wet conditions these roads or paths are generally difficult to drive. |
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The length of a rugged unpaved road surface is indicated by an orange line |
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Road gradients between 3% and 6% |
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Road gradients between 6% and 9% |
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Road gradients of more than 9% |
