Highway projects often impact historic buildings and archeological sites, that when funded with Federal-aid funds, triggers Section 106 of the National Historic Preservation Act (NHPA). But those projects develop within…
We wish to ascertain the impact of Japanese knotweed on the stability and lifespan of roads, bridges, and other infrastructure near waterways. Japanese knotweed is one of the world’s worst…
Post Construction Best Management Practices (BMPs) are required by DOT NPDES Permits and applicable Total Maximum Daily Loads (TMDLs) to reduce pollutant loadings that are discharged into receiving waters from…
State, county, and other departments of transportation are increasingly subjected to water quality requirements specifying reduction of stormwater flows and their associated pollutants from new and existing roads. Most water…
Research is needed to consolidate NCHRP and other research results related to highway stormwater management, update NCHRP research, document the efforts of various DOTs to comply with stormwater requirements, and…
Many DOTs across the country apply salt (estimated at 22 million tons annually in the US) during the winter to lower the freezing point and accelerating the melting process. Unfortunately,…
A suggestion was made develop a Decision Support Guide for Installation of Wildlife-Vehicle Collision (WVC) Reduction Countermeasures as well as potentially adding wildlife-vehicle collision prevention measures to the FHWA Proven…
Summary of current practices by DOTs to use emerging data collection methods to address ecological concerns for transportation projects. These methods include (1) environmental DNA (eDNA) collection and analysis methods…
Connectivity among populations and habitats is important for a range of ecological processes, including gene flow, migration between summer and winter range, demographic rescue, dispersal, range expansion, and population persistence.…
Bats across the United States are threatened by a relatively new fungal disease known as white-nose syndrome (WNS). WNS has resulted in bat population declines of over 90% in parts…