 Functional classification systems of highways  Highway route selection: factors to be considered in highway route selection, steps in highway route surveys.  Geometric design of highways: Design controls and criteria;  Highway cross-section elements – lane and shoulders, sidewalks, medians, and pedestrian crossings;  Elements of geometric design – sight distance, horizontal alignment: design of circular and transition curves; vertical alignment: grade selection and design of vertical curves; combinations of horizontal and vertical alignment; Intersections and interchanges.  Drainage and drainage structures: surface and subsurface drainage facilities.  Earthwork quantities and mass-haul diagram

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