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This section describes recent developments related to indirect effects/cumulative impacts. If you would like to suggest a recent development on this topic, please submit a short description to AASHTO (including any pertinent links) on the Share Info with AASHTO form.
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«View Recent Developments Archive
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| Approach for Indirect/Cumulative Impacts Analyses Provided in NCHRP Report |
| A report issued in January 2006 under the National Cooperative Highway Research Program (NCHRP) provides an overview and recommended approach for conducting indirect and cumulative impacts analyses for transportation projects. The report describes the state of the practice, components of an indirect and cumulative impacts analysis, analysis and mitigation requirements, and recommendations for a compatible approach. The recommended framework is built around three principles: using a collaborative process throughout the analysis; focusing on resources to conduct adequate analysis; and considering mitigation strategies to achieve resource goals. The report is designed for transportation agency project sponsors, Federal Highway Administration, resource agency regulatory staff, consultants and other environmental practitioners. For more information on the research findings, link to: Indirect And Cumulative Impact Analysis: A Review And Synthesis Of The Requirements For Indirect And Cumulative Impact Analysis And Mitigation Under Major Environmental Laws And Regulations. (NCHRP Project 25-25, Task 11). [back to top] | | |
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| FHWA Workshop On Indirect, Cumulative Impacts Detailed in Streamlining Newsletter |
| CEQ Issues Guidance on Past Actions in Cumulative Effects Analysis |
| The White House Council on Environmental Quality (CEQ) issued guidance on June 24 regarding the extent to which federal agencies government are required to analyze the environmental effects of past actions when they describe the cumulative environmental effect of a proposed action under the National Environmental Policy Act. View text of the guidance [PDF 3.10mb]. [back to top] | | |
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| Interagency Work Group Issues Draft Baseline Report on Indirect and Cumulative Impacts |
| An interagency work group on indirect and cumulative impacts established under Executive Order 13274, Environmental Stewardship and Transportation Infrastructure Project Reviews, has completed a draft baseline report. The report includes applicable laws, regulations and orders; case law; a bibliography of guidance documents; information on training programs; and case studies. View the draft report. [back to top] | | |
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| CTE Broadcast Addresses Lessons Learned in Indirect, Cumulative Impacts |
| An Aug. 26 broadcast hosted by the Center for Transportation and the Environment addressed lessons learned in addressing indirect and cumulative impacts of transportation projects. Case studies included Lower Manhattan Redevelopment Project, Maryland's I-270/US-15 Multimodal Corridor Study, and North Carolina's Monroe Bypass Project. Get more information. [back to top] | | |
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