As new infrastructure projects begin to sprout across the United States in response to new government grants, incentives and stimulus plans, those seeking to capitalize on what President Obama calls “the largest new investment into the nations infrastructure since Eisenhower built an interstate highway system in the 1950s” are running into legal roadblocks. More specifically, they are finding that the complex web of US environmental laws not only makes it difficult to progress swiftly on infrastructure projects, but also enables project opponents to halt, delay or force changes in projects by filing lawsuits alleging noncompliance with environmental laws.