Environmental regulations require Departments of Transportation (DOTs) to stabilize exposed earth along roadsides and encourage the establishment of grasses to help filter pollutants out of runoff. To comply with these regulations,…
Recent federal legislation, rules and other initiatives (SAFETEA-LU, executive orders, Eco-Logical, Green Infrastructure, etc.) encourage and in some cases require state Departments of Transportation to increase their levels of collaboration…
Problem The recovery of information from significant archaeological sites affected by transportation projects is a widespread and generally accepted practice throughout the United States. Archaeological data recovery, however, is very…
TERI Administrator Note (Added April 2008) – Related Research: NCHRP 25-25/Task 21: Assessment of Geophysical Remote Sensing Opportunities at State Departments of Transportation for Incorporation into Archaeological Investigations (Completed 2006)…
I. Research Problem Statement Due to automobile braking, roadside sediments in heavily trafficked regions have high levels of copper and zinc compared to sediment quality. Recent use of bio-retention filters…
Problem Statement A potentially major barrier to sharing data in environmental and related management systems is intellectual property rights, including copyrights, licensing, and terms of use. Although state Departments of…
Problem Statement The current practice for mitigating environmental impacts of transportation projects is to mitigate only specific impacts on specific resources without consideration of which produces the best environmental result.…
I. Research Problem Statement – Concerns about pavement noise continue to be expressed in many urban areas in the United States. Comprehensive studies have been completed in Europe resulting in…
I. Research Problem Statement: Erosion (runoff) and sedimentation of and from low-volume roads can adversely impact the environment. Many low-volume roads are soil or aggregate surfaced, have steeper grades than…
TERI Administrator Note (January 2009): Funded under NCHRP 25-25 (53). Background: The New Hampshire Department of Transportation has recently been issued a number of Water Quality Certifications by the NH…