Term
Name three points about which you can rotate the cross section of a roadway to accomodate horizontal curvature. |
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Definition
| inside edge, outside edge, midpoint |
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Term
| two important functions that spiral (transition) curves perform |
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Definition
- provide a smooth transition around curve ("no jerking wheel")
- accomodate super elevation
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Term
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Definition
superelevation always between 8-12% |
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Term
| two definitions of horizontal curves |
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Definition
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Term
| definition/purpose of windrose |
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Definition
| Diagram that shows distributions of wind directions and speeds at a specific location over a specified time period. Used to orient runways |
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