A road sign showing twelve percent grade.

A road sign showing twelve percent grade.

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Image Copyright David R. Frazier Photolibrary, Inc.

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Image Details

Image ID
road_sign8
Caption
A road sign showing twelve percent grade.
Keywords
road, sign, highway, warning, twelve, percent, percentage, grade, steep, math, geometry, transportation
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Credit
© David R. Frazier Photolibrary, Inc.