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Chicago, IL

Worn Jerabek Architects conducted a review of the Chicago Department of Transportation’s practices and policies with the goal of highlighting and recommending effective strategies for bringing sustainability to Chicago’s transportation infrastructure.


  • Green Alleys reduce the amount of storm water runoff by increasing the amount of pervious surface area in the city.
  • Rooftop Gardens help to reduce the “Urban Heat Island Effect” and lower energy usage.
  • Traffic Calming Techniques lower the speed and quantity of traffic and enhance the character of residential streets.
  • Efficient Lighting Strategies reduce light pollution and lower energy costs.
  • Structural Soils allow planting to be designed to be multifunctional, incorporating detention, retention, filtration, or runoff use for rainwater.