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Abstract
Despite considerable literature regarding other modes of transportation, little is written about oil
pipelines. This is remarkable given that oil pipelines move 17% of all intercity ton miles, but also
understandable because they have a low public profi le and, with near total automation, have few
employees. This article attempts to bridge the gap by comparing pipeline operations and those of the
other modes, showing striking similarities along with a few signifi cant differences. It also portrays
pipeline markets and their changing trends. In recent years, oil pipelines have served an industry that
is experiencing rapidly shifting geographical markets, proliferation of new products, and outsourcing
of transportation by shippers. The pipeline industry has responded to these challenges with increased
competitive entry, numerous capital construction projects, and a high reliance on technology. These
issues, along with the regulatory constraints and responses are portrayed.