1. Given the following horizontal curve and spiral data: Total tangent deflection angle (A) = 30°...

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1. Given the following horizontal curve and spiral data: Total tangent deflection angle (A) = 30° Rt. D = 5° Design Speed = 5

Spiral Curve Equations Spiral Tangent Deflection 43 LD 200 Total Deflection A = 4c+ 24, Total Length L = Le + 21 Spiral Defle

Table 13.9 SPIRAL CURVE LENGTHS AND SUPERELEVATION RATES: SUPERELEVATION (e) MAXIMUM OF 0.100, TYPICAL FOR SOUTHERN CLIMATES

PI 4 I, CPI TAC To ST To sܠ܂ S.C. C.S. SPIL LS LT SPI, o 20s LC 3 g Ac 4 S.T. T.S. Back Tangent Forward Tangent 0 Symbols T.

Table 13.8 SPIRAL CURVE LENGTHS AND SUPERELEVATION RATES: SUPERELEVATION (e) MAXIMUM OF 0.06, TYPICAL FOR NORTHERN CLIMATES V

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0 Two lane Road in Soutbren Climate A = 30° D=5° Design Speed - 50 mph PI Station @ 64 + 20.00 From Table 13.8 For a lone Roa

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