Click on the links below to read case studies about integrating sustainability into transportation and infrastructure.

Pavement Sustainability Case Study – City of Arlington, Texas

The Public Works & Transportation Department for the City of Arlington, Texas published a case study that analyzes the changes they made to their maintenance plan for streets and roads in the city. The department’s goal was to revise their current plan to address the rising number of streets and roads that did not meet minimum overall condition index or OCI.

The City of Loveland - Electronic Vehicle Case Study
The City of Loveland, Colorado published a case study detailing their attempts to reduce the cost of their municipal fleet. Initially Loveland's city fleet was comprised of entirely of  traditional vehicles powered by gasoline, but when fuel costs rose by 29% between 20009 and 2011, the city began to integrate electric vehicles into their fleet. The case study analyzes the cost and benefits of adding electric vehicles to the municipal fleet. 

Sustainable Methods for Pavement Preservation - City of Eugene, Oregon
The City of Eugene has specified a variety of construction methods to maximize its sustainability practices in pavement preservation. The three primary construction technologies used to reduce environmental impacts from its projects are warm mix asphalt pavement, increased use of reclaimed asphalt binder in asphalt pavements, and inā€place recycling vs. traditional street reconstruction. These methods have shown positive results in environmental, economic, social, and health benefits to the community. The projects create jobs, leverage City funds, and address a pavement preservation backlog while also providing public education opportunities, creating safe public facilities, and improving the overall 

Use of Recycled Materials in Flatwork Concrete - Bellingham, WA
The City of Bellingham Public Works Department has finalized specifications for concrete flatwork construction that incorporate waste products such as porcelain, concrete rubble and other waste stone products as screened coarse aggregate for flatwork concrete mixes. These mix designs have been vetted by the regional concrete suppliers and are now commonplace in City public street projects. This use of recycled materials helps decrease waste materials entering landfills, decreases resource extraction, and indirectly should help to decrease the costs to remove waste concrete from construction projects, resulting in more cost effective, environmentally friendly projects.