a. Explain the factors involed in transport crashes. b. It is observed that 40 traffic crashes occurred on a 17.5km long section of highway in one year. The ADT on the section was 5000 vehicles. As a traffic engineer, i. Determine the rate of total crashes per 100 million vehicle-km ii. Determine the rate of fatal crashes per 100 million vehicle-km, if 5% of the crashes involved fatalities.