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Grade (slope) facts for kids

Kids Encyclopedia Facts
For other uses see: Gradient (disambiguation)
UK traffic sign 524.1
Road sign indicating a 20% upward gradient

The grade (or gradient) of a road or railway line is a measure of its steepness. It may be expressed as a percentage or in other ways. For example, a gradient of 1% may also be expressed as 1 in 100. This means that the road rises or falls by 1 metre for every 100 metres of forward travel.

Across the Taw from the South West Coast Path - geograph.org.uk - 1331209
Railway gradient post showing a change from level track to a downward gradient of 1 in 1026

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Grade (slope) Facts for Kids. Kiddle Encyclopedia.