Provincial Government Noise Studies for the Henday

City of Edmonton Noise Bylaw (shows that the Henday nighttime noise is in violation of the city's own noise bylaw)

City of Edmonton Master Transportation Plan - Executive Summary ("an integrated approach to environmental, financial, and social factors" and "appropriately mitigate the impacts of the transportation system on existing and future residential communities")

World Health Organization Noise Site (European-based, Health Canada is an "expert adviser" on the night noise guideline project.  Site provides extensive information on noise and health)

World Health Organization Noise Study (Extremely comprehensive study - the abstract is a must-read)

Environmental Protection Agency Guide on the Effects of Noise on Health (Older report that provides insight into the government's selection of 65 dBA for the standard)

Noise and Health (International Journal devoted to research on all aspects of noise and its effects on human health)

List of Articles Related to Traffic Noise and Health (Almost 400 entries)

Alberta Government Pledge on Sound Levels (Ring Road Frequently Asked Questions) 

Study on Traffic Noise and Heart Disease (You could be 80% more likely to have a heart attack after long exposure road noise)

Information on Noise Barriers (U.S. Government site)