QUESTION $3(10$ pts$)$

a$)$ Consider the collision and condition diagrams shown in the figure below. Discuss two probable causes of the crashes observed and recommend improvements for each.

b$)$ Based on the figure above, determine the total number of accidents.

$\backslash$table$[[\backslash$table$[[$Accident$],[$type$]],\backslash$table$[[$Total number$],[$of accidents$]]],[$fatal$,],[$injury$,],[$PDO$,],[$Right$-$angle,$],[$Sides$-$wipe,$],[$rear$-$end,$],[$head$-$on$,]]$

$2$