If the most efficient of all cross sections can be used, what shape and size of open channel would you recommend to carry 300 cfs with a velocity of 7 ft per second? Draw a representative figure for each part of your solution. For this problem, study the 4 possible cross sections and defend your final recommendation. Assume logical frictional/roughness parameters depending on the equation you choose to use. Your final output must be a construction drawing of your recommended cross section.

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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.