This health analysis considers the potential impacts and human health consequences of three proposed coal export projects that could result in rail transport of coal through Multnomah County. The goals of this analysis are to: •Synthesize scientific knowledge about the human health impacts of coal transportation by rail •Identify the populations in Multnomah County who might be affected •Describe the most likely human health impacts of coal transportation locally To do so, the effects of the following are examined: •Rail freight traffic in general, such as noise, locomotive emissions, and roadway congestion •Coal as a specific cargo