Main component of highway designing.

Following are the main component that have to keep in mind 

➤Factors affecting the geometric design

➤Highway Alignment

➤Road classification

➤Pavement surface characteristics

➤sight distance element

➤Cross-section elements

➤Horizontal alignment and it's component like Gradient, Sight distance and design of the length of the curves and set back distance.

➤Vertical alignment and it's component like Gradient, distance and design the length of the curves.

➤Intersection features like layout, capacity etc.