LAST autumn, Unife and Roland Berger published the sixth World Rail Market Study which predicts further investments in rail systems and stable growth for the world market for rail equipment (infrastructure, train control rolling stock and services) of 2.6% per year until 2021. In the last decade, the Middle East with its emerging new mainline and mass transit systems was a contributor to this growth. But what will the future market developments look like in light of the low oil price?