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Transportation plans and programs

Natural Resources Defense Council v. U.S. Department of Transportation

The Ninth Circuit held that DOT did not violate the CAA or NEPA in its approval of a planned expressway connecting the Ports of Los Angeles and Long Beach, California. In the course of the project’s approval process, DOT conducted an...

Natural Resource Defense Council v. Environmental Protection Agency

The D.C. Circuit upheld an EPA rule issued in 2010 that amends and clarifies transportation conformity regulations as they pertain to hot spot analyses in particulate matter (PM) nonattainment and maintenance areas. Transportation...

Environmental Defense v. EPA

The D.C. Circuit granted in part environmental groups' petition for review of a final rule promulgated by the U.S. Environmental Protection Agency (EPA) to regulate "hot spot" analyses undertaken as part of the State Implementation Plan...

Bayview Hunters Point Community Advocates v. Metropolitan Transp. Comm'n

The court holds that a local transportation control measure, adopted as part of California's state implementation plan to attain federal air quality standards in the San Francisco Bay Area, does not impose an enforceable obligation on...

1000 Friends of Md. v. Browner

The court denies an environmental group's petition to review the U.S. Environmental Protection Agency's (EPA's) approval of Maryland's revised motor vehicle emissions budget (MVEB) for the Baltimore ozone nonattainment area. In 1999,...

Environmental Defense Fund v. EPA

The court holds unlawful U.S. Environmental Protection Agency (EPA) regulations that allow both local approval and federal funding of transportation projects that fail to satisfy the Clean Air Act's (CAA's) state implementation plan (...

Sierra Club v. EPA

The court holds that a U.S. Environmental Protection Agency (EPA) regulation that creates a 12-month grace period exempting transportation projects in nonattainment and maintenance areas from Clean Air Act (CAA) §176(c) is contrary to...

Trustees for Alaska v. Fink

The court holds that the city of Anchorage, Alaska, could condition its commitment to a transportation control measure (TCM) in Alaska's state implementation plan (SIP) on the availability of funds. To combat its long-standing air...