Transportation Operations LINCS Practice Exam

Which statement best defines 'ton-miles' used in the context of Modal Split?

1. A measure of distance covered by freight vehicles

2. A statistic that combines weight and distance of cargo transportation

3. A calculation of total cargo transported in a given time frame

4. A count of the number of trips made by a shipping company

The correct answer is: A statistic that combines weight and distance of cargo transportation

The term 'ton-miles' is indeed best defined as a statistic that combines weight and distance of cargo transportation. This metric is crucial in transportation as it provides insight into the efficiency and capacity of freight transport systems. It quantifies the total mass of goods moved over a certain distance, allowing for a better understanding of transportation performance across different modes. For example, if one ton of cargo is transported for 100 miles, that represents 100 ton-miles. This concept is particularly useful when comparing the effectiveness of various transportation methods (like trucking, rail, or shipping) since it accounts for both the amount of cargo and the distance it is moved. By using ton-miles, businesses and analysts can assess and compare the transport efficiency in a meaningful way, helping inform decisions on logistical strategies and operational improvements. In contrast, other statements do not capture this dual aspect of weight and distance. Focusing solely on distance covered, total cargo transported, or counting trips does not provide the integrated view that ton-miles offers in evaluating transportation performance.