QUESTION $1$:

$($a$)$ Describe the difference between a supply$-$side solution and a demand$-$side solution for

transportation problems. Provide one example for each.

$($b$)$ Describe the assumptions of the gravity model for prediction of trip distribution. Discuss the

limitations of the model.

$($c$)$ Provide the examples of criteria for evaluating different highway construction alternatives.

Describe the method of evaluating the alternatives based on these criteria to choose the best

alternative.