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4. Stationing
Referring to Figure E-7, curve endpoint stations are determined using Equations E-11 through E-15.
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Equation E-11 |
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Equation E-12 |
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Equation E-13 |
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Equation E-14 |
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Equation E-15 |
As with a regular horizontal curve, a station equation exists at the point where the curve system exits onto the tangent at the ST.