DC-area Transportation is Not on Track to Meet Climate Change Goals

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The region’s governments area currently reviewing new transportation projects to add to their long-range plan. But the list of projects in the queue, if built, will increase carbon emissions rather than lower them.

Right now, the National Capital Region Transportation Planning Board (TPB) is conducting its annual review of new projects for the Constrained Long Range Plan (CLRP). The CLRP is a comprehensive list of the “regionally significant” transportation projects that TPB member governments realistically believe could be funded over the next few decades.

Projects that Maryland, Virginia, and DC wish to build must go through the CLRP both to be eligible for federal funding, and to go through the federally required air quality conformity process.

While federal air quality rules require the region’s transportation projects to meet goals for pollutants regulated under the Clean Air Act (Nitrogen Oxide and Volatile Organic Compounds that form ozone, along with particulates (PM2.5)), the TPB does not yet have to regulate carbon dioxide. The transportation projects in the pipeline, if built, would send us far past—that is, in the opposite direction of—our climate change goals.