Question

1) There are approximately 1.8 million large truck using 42,500 miles of interstate highway in U.S. The average weight of the large truck is about 80,000 pounds. And average mileage per truck is 70,000 miles. What are the total trillion ton-miles of freight movement each year?

A. 5
B. 4
C. 3
D. 2

2) What of the following is not a countermeasure for sustainable transportation system?
A. Complete streets
B. Electric vehicles
C. Separated bikeways
D. New roadways

3) The distance between two train stops is 1.0 miles. The average acceleration rate is 3.0 mph/second and deceleration rate is 2.0 mph/second. The top speed of the train is 45 mph. What is the shortest travel time (in seconds) between these two stops?

A. 97.6
B. 98.6
C. 99.6
D. 95.6

⦁   Madison County transit agency increased bus fare from $1.5 for $2.5. Before the fare was changed, bus ridership is about 1200. After that, the bus ridership was reduced to 900. What’s the shrinkage ratio elasticity?

A. 0.375
B. 0.475
C. -0.375
D. -0.475

Answer 1

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