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Fact Sheet: Vegetated Swales

Vegetated swales are an important Low Impact Development technique used to convey stormwater runoff. These open, shallow channels slow runoff, filter it, and promote infiltration into the ground; as a […]

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I-495 Study: Final Report (September 2009)

The  I-495 Study identifies the existing and future capacity constraints associated with the I-495 Corridor and identifies both methods to move more people through the interchanges and strategies that might […]

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How to Do a Parking Study

How To Do a Parking Study BUILDING THE SURVEY CONDUCTING THE SURVEY ANALYZING THE DATA PRESENTING THE FINDINGS SAMPLE PARKING STUDY SAMPLE INSTRUCTIONS FOR DATA COLLECTORS A lack of knowledge […]

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LID Frequently Asked Questions

What is Low Impact Development? Low Impact Development is a way to protect the environment and reduce construction costs at the same time. Conventional design and construction methods generally use […]

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Fact Sheet: Roadways and Parking Lot Design

One of the simplest ways to cut down on stormwater runoff is to reduce the amount of impervious cover associated with roadways and parking lots. Careful design is the key […]

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Fact Sheet: Green Roofs

A green roof is a low-maintenance vegetated roof system that stores rainwater in a lightweight engineered soil medium, where the water is taken up by plants and transpired into the […]

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Fact Sheet: Grass Filter Strips

Grass filter strips are low-angle vegetated slopes designed to treat sheet flow runoff from adjacent impervious areas. Filter strips (also known as vegetated filter strips and grassed filters) function by […]

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LID Principles and Techniques

Principles of LID Work with the landscape. Identify environmentally sensitive areas and important local features, then outline a development envelope that protects those areas. Maintain slopes and flow paths; minimize […]

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Best Practices and Legal Resources for Strengthening Neighborhoods

Best Practices for Strengthening Neighborhoods Foreclosures negatively impact neighborhoods. As property-tax revenues decline, it is harder for municipalities to provide good schools, police protection, and other services. Local governments have […]

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The Use of Chapter 40R in Massachusetts as a Tool for Smart Growth and Affordable Housing Production (November 2009)

Chapter 40R encourages cities and towns to zone for compact residential and mixed-use development in “smart growth” locations by offering financial incentives and control over design. This report examines how […]

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