Q$-2)(25$P$)$ A horizontal curve on a single$-$lane freeway ramp is $120m$ long with a certain design speed. If the station of the point of curve is $0+530,$ what is the station of the point of intersection and how much distance must be cleared from the center of the lane to provide adequate stopping sight distance? $($The design speed is $80k\frac{m}{h}$ and The superelevation is $6\%)$