A horizontal curve on a two-lane highway 12-ft lanes has pc

Reference no: EM13384518

A horizontal curve on a two-lane highway (12-ft lanes) has PC at station 123 + 80 and PT at station 129 + 60. The central angle is 35 degrees, the superelevation is 0.08, and 20.6 ft is cleared (for sight distance) from the inside edge of the innermost lane. Determine a maximum safe speed (assuming current design standards) to the nearest 5 mi/h.

Reference no: EM13384518

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