TERI Administrator Note (January 2009): Idea selected for implementation with NCHRP 25-25 (Task 58) funding in 2009; completed August 2010 Background: Greenhouse gas emissions and the related subject of…
TERI Database Administrator Notes: Funded as NCHRP Project 25-25, Task 45 (http://www.trb.org/TRBNet/ProjectDisplay.asp?ProjectID=1663) “Transportation Program Responses to Greenhouse Gas (GHG) Reduction Initiatives and Energy Reduction Programs” Background: The prospect of…
TERI Database Administrator Notes: Funded under NCHRP 25-25 (51) Problem Statement State departments of transportation have constructed many environmental mitigation projects in conjunction with transportation projects that have been…
Background NEPA environmental documents for projects reflect substantial time and money analyzing and predicting environmental impacts. Decisions on those projects are made based on that information. There is limited or no information…
TERI Administrator Note (January 2009): Funded as NCHRP Project 25-25, Task 40. Completed January 2008. http://www.trb.org/TRBNet/ProjectDisplay.asp?ProjectID=1658 Background: The cost and total quantity of noise barriers as an environmental abatement…
Issue: Tests have shown that aquatic organisms have different tolerance thresholds to snow and ice control materials that are applied to roads, highways, and bridges. A major factor in terms of selecting…
Issue Environmental agencies in the Pacific Northwest are concerned about dissolved copper in stormwater. Extremely low concentrations of dissolved copper (1 to 5 parts per billion) have been shown to…
TERI Administrator Note (Feb 2009) – Related Research – Linking Environmental Resource and Transportation Planning–The Current State of Practice (NCHRP 25-25: Task 32) FHWA’s Vital Few Environmental Goal, in part,…
Problem: Animal vehicle collisions are a challenge from the safety and ecological standpoint. Many current solutions are expensive (large crossing structures), potentially ineffective (static warning signs), or potentially ecologically damaging…
The Migratory Bird Treaty Act prohibits work on bridges and CBCs when active swallow nests are present. Controls to prevent nesting swallows on bridges and concrete box culverts not only…