I wan you to answer about some questions which are in textbook
I will Wirte now the name of textbook and find the questions and answer them
the answer must be typed
Textbook: Traffic & Highway Engineering, Nicholas J. Gerber and Lester A. Hoel 5th Edition, E.I., 2015.
3-1, 3-3, 3-7, 3-13, 3-14.
6-2, 6-4, 6-10, and 6-13
The questions are in the file also you can check in textbook online also