Road sign warning trucks of a steep grade.

Road sign warning trucks of a steep grade.

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Image Copyright David R. Frazier Photolibrary, Inc.

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Image Details

Image ID
road_sign3
Caption
Road sign warning trucks of a steep grade.
Keywords
road, sign, warning, truck, steep, grade, downhill, highway, travel, drive, transportation, math, geometry, algebra, ratio, physics
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Credit
© David R. Frazier Photolibrary, Inc.