Given the following level section notes for stations 1+120 and 1+160: 1+120 | 6.6 | 0 | 7.6 | 0.8 | 3.7 | 1.3 1+160 | 74 | 0 | 98 | 1.2 | 2.3 | 2.4 The side slope is 2:1. The radius of curvature is 275 m. The center of curvature is on the right. a) What is the roadbed width? b) What is the area of section 1+120? c) What is the area of section 1+160?

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Highway Drainage

Highway drainage is the process of extracting and regulating the excess surface water on the pavement by giving the desired slope. The construction of a highway drain helps to divert the water present on the surface, and sub-grade by the means of slope. Highway drainage systems are a necessary part of smooth functioning of traffic, since the highway drainage systems provide proper disposal of unwanted substances from the highways.