Whether to allow wider use of longer combination vehicles (LCVs) is the topic of a policy debate in the United States. If allowed to operate in a greater number of states, LCVs would largely be confined to interstate highways and other major facilities. Yet, it often may be necessary for them to...

In this article we estimate external costs for four representative types of freight trains. For each type of freight train, we estimate three general types of external costs and compare them with the private costs experienced by railroad companies. The general types of external costs include:...

Local government leaders quite often contend that upgraded highways are important to their communities' economic development potential. This article examines the degree to which investments in high-capacity highways are likely to influence business location decisions, given the mature nature of...

From a societal perspective, it is desirable for all transportation users to pay their full social (private and external) costs. We estimate four general types of external costs for intercity freight trucking and compare them with the private costs incurred by carriers. Estimated external costs...