Great short film on the risks of highway air pollution Post published:December 17, 2011 Post category:Health Issues The documentary, from Tufts University, provides an overview of the local CAFEH (Community Assessment of Freeway Exposure and Health) study that STEP is participating in. You Might Also Like More plane noise and pollution over Somerville July 29, 2007 STEP partners with Tufts on study of highway health risks April 12, 2009 STEP and partners receive grant to study air pollution near I-93 May 18, 2010