• Transportation Resources

Transportation Sector Case Studies

These resources include case studies of adaptation in the transportation sector, developed by the Georgetown Climate Center as part of a cooperative agreement with the Federal Highway Administration. The case studies include examples of how adaptation has been incorporated into decisionmaking at all stages of the transportation lifecycle: assessing vulnerability, planning, design, and operations and maintenance.

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A Stronger, More Resilient New York - Transportation Chapter

June 11, 2013

“A Stronger, More Resilient New York” is an adaptation plan (Plan) for New York City (NYC), which contains actionable recommendations both for rebuilding the communities impacted by Hurricane Sandy and increasing the resilience of infrastructure and buildings citywide. Chapter 10 of the plan is dedicated to transportation impacts, strategies, initiatives, and policy recommendations. This chapter details the impacts that occurred to the transportation system as a result of Hurricane Sandy, impacts that can be anticipated in the future as a result of climate change, and strategies for increasing the resilience of NYC’s transportation system.

Related Organizations: New York City (NYC) Special Initiative of Rebuilding and Resiliency, New York City Panel on Climate Change (NPCC), City of New York, New York

Resource Category: Planning

 

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Confusion Hill Bypass in Mendocino County, California

2009

The California Department of Transportation (Caltrans) completed the Confusion Hill Bypass project to reduce the vulnerability of Highway 101 in Northern California to landslides. Between 1996 and 2003, Caltrans spent a total of $14 million repairing and maintaining a 2-mile stretch of the highway. In the winter of 2002/2003, Highway 101 was closed 10 times due to landslides. Caltrans identified landslides and flooding as constant challenges in Caltrans District 1, which includes Confusion Hill in Mendocino County.

Related Organizations: California Department of Transportation (Caltrans)

Resource Category: Solutions

 

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Porous Asphalt Study: “Effect of Road Shoulder Treatments on Highway Runoff Quality and Quantity”

July 1997

The Washington State Transportation Center (TRAC) studied the effectiveness of porous asphalt road shoulder treatments at reducing the quantity and improving the quality of highway stormwater runoff, compared to traditional asphalt and gravel. Out of the three treatments tested, the porous asphalt shoulders produced both the lowest volume of runoff and runoff with the lowest concentration of pollutants. The report suggests that although porous asphalt may have higher installation costs than traditional asphalt, the use of porous asphalt road shoulders may have long-term economic benefits along with safety and environmental advantages.

Related Organizations: Washington State Department of Transportation

Resource Category: Solutions

 

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California Extreme Heat Adaptation Final Guidance Document – Transportation Recommendations

October 2013

California’s Climate Action Team (CAT) developed the guidance document, Preparing California for Extreme Heat: Guidance and Recommendations, to provide California agencies with best practices for adapting to heat-related climate change impacts. Several of the recommendations focus on adaptations to the transportation sector and make recommendations for actions that can be taken by the California Department of Transportation (Caltrans) to increase heat resilience. Transportation improvements, such as road pavement and the removal of vegetation, can contribute to higher temperatures in urban areas resulting in what are often referred to as urban heat islands.

Related Organizations: California Department of Public Health, California Climate Action Team (CAT)

Author or Affiliated User: Michael McCormick

Resource Category: Solutions

 

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Charles River Watershed Association Green Infrastructure Demonstration Projects

The Charles River Watershed Association (CRWA), through its “Blue Cities Initiative,” develops demonstration projects that feature green infrastructure along streets and in other public and private spaces, with the goal of managing increases in precipitation caused by climate change. More frequent and intense rainfall events will increase the risks of flooding, sewer overflows, and water pollution in the Northeast. CRWA has implemented demonstration projects in the Boston metropolitan area to illustrate and assess the effectiveness of different green stormwater management techniques, including permeable pavements and roadside vegetation, and to encourage replication of these strategies in other areas.

Related Organizations: Charles River Watershed Association, City of Boston, Massachusetts, Massachusetts Department of Environmental Protection

Resource Category: Solutions

 

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Climate Change Impact Assessment for Surface Transportation in the Pacific Northwest and Alaska

January 2012

The Climate Change Impact Assessment (Assessment) provides a preliminary analysis of the vulnerabilities posed by climate change to the surface transportation infrastructure system in the Pacific Northwest and Alaska region. The Assessment demonstrates a method that planners, engineers, and other agency decision makers can follow when assessing the impacts of climate change on surface transportation in their jurisdiction. The Assessment was conducted for the Region X Northwest Transportation Consortium for transportation policymakers and professionals in Alaska, Idaho, Oregon, and Washington.

Related Organizations: Region X Northwest Transportation Consortium , Idaho Transportation Department, Alaska Department of Transportation and Public Facilities, Washington State Department of Transportation, Oregon Department of Transportation (ODOT), Oregon Transportation Research and Education Consortium (OTREC), Federal Highway Administration (FHWA)

Authors or Affiliated Users: John MacArthur, Philip W. Mote, Jason Ideker, Miguel Figliozzi, Ming Lee

Resource Category: Assessments

 

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