Unformatted text preview: PVC ? What is the stationing and elevation of the high point on the curve? Problem from 2010 midterm 3. A horizontal curve on a 4lane highway (two lanes each direction with no median) has a superelevation of 6% and a central angle of 40 degrees. The PT of the curve is at station 322+50 and the PI is at 320+08. The road has 10ft lanes and 8ft shoulders on both sides with high retaining walls going up immediately next to the shoulders. What is the highest safe speed of this curve (highest in 5mi/h increments) and what is the station of the PC ?...
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 Spring '09
 Road, Drag equation, MIDTERM EXAM Review

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