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Michigan soundwalls along state trunklines. Policy on Noise Abatement (Guidance Document 10136). MDOT's Noise Abatement Program includes Noise Walls(Sound walls), Local Vehicle Noise Enforcement, and Land-Use information to help manage future quality-of-life.
MDOT has developed a Stormwater Management Plan (SWMP). The SWMP is designed to enhance the way MDOT does business so that stormwater pollution is reduced or eliminated. Solutions in the SWMP are as simple as good housekeeping, or as complex as building new facilites to manage stormwater.
The National Environmental Policy Act (NEPA) established a national environmental policy and goals for the protection, maintenance and enhancement of the environment. It requires agencies like MDOT to assess the environmental effects of their proposed actions prior to making decisions. Using the NEPA process, MDOT evaluates the environmental and related social and economic effects of their proposed actions.