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Adaptation in Maintenance, Operational, & Emergency Management Strategies

This tab includes examples of maintenance, operational, and emergency management strategies in the transportation sector that consider climate change and help increase adaptive capacity in the transportation system. Apply additional filters to narrow the list by region, state, climate impacts, jurisdictional focus, or transportation lifecycle stage.

 

 

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Maine Department of Transportation – Bridge Scour Management

Recognizing that climate change will cause changes in precipitation and stream flow, the state of Maine has taken several steps to evaluate the vulnerability of its bridges to scour and implement corrective actions to safeguard those most critical. Among the transportation infrastructure adaptation policies recommended in Maine DOT’s report Climate Change and Transportation in Maine were two scour-related goals: inspecting all bridges at least every two years, and conducting underwater inspections for scour and structural integrity every 60 months.

Resource Category: Solutions

 

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Impacts of Climate Change on Transportation: Freight Flow in Gulf Coast

2008

From the Transportation Research Board (TRB) report Potential Impacts of Climate Change on U. S. Transportation, this case study describes the transportation sector’s response to Hurricanes Katrina and Rita. It focuses on the storms’ impact to national-level freight movement, highlighting efforts to reroute traffic in order to avoid long-lasting disruptions. Despite damage to Gulf Coast transportation systems from Hurricanes Katrina and Rita, the region experienced only modest disruptions to freight flow because transportation system redundancies allowed traffic to be rerouted away from impacted areas.

Resource Category: Solutions

 

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Florida “Sacrificial” Roads Projects

2007

Recognizing the increasing maintenance and replacement costs for coastal roads in Florida due to more frequent flooding and storm surge, the Federal Highway Administration (FHWA) – Eastern Federal Lands Highway Division (EFL), assisted the National Park Service and other partners designing specific roads that are prone to be frequently washed out to have minimal environmental impact. Rising sea levels and coastal storms, which are projected to increase in intensity as a result of climate change, are creating more challenges for building and maintaining transportation infrastructure along coastal shorelines.

Resource Category: Solutions

 

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Oregon Guidance on Biofilters for Storm Water Discharge Pollution Removal

January 2003

In 2003, the Oregon Department of Environmental Quality (DEQ) published guidance on the use of “biofilters” to remove pollution from stormwater. Biofilters include a variety of green infrastructure techniques installed along roadways to filter pollution from stormwater runoff such as constructed wetlands and bioswales (vegetated swales or ditches), among others. The guidance details the design best management practices (BMPs) that have been proven to work well in constructing biofilters, and argues that biofilters may be the “most economical” way to remove sediment and other pollutants from runoff.

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.

Resource Category: Solutions

 

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