Alternatives to Chlorides for De-icing
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,…
Decision Support Guide for Installation of Wildlife-Vehicle Collision Reduction Countermeasures
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…
Leveraging New Data Collection Methods for Evaluating Ecological Impacts of Transportation Projects
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…
Practitioners Handbook for the Noise Analysis Process for Design Build Projects
The objective of this research is development of a Practitioners Handbook for the Noise Analysis Process for Design Build Projects. The completed handbook will provide state highway agency staff and…
Mechanistic Modeling, Full-scale Load Testing for Development and Validation of Structural Design Methods, LCCA, Maintenance Criteria, and Guide Specifications for Permeable Pavements
The most commonly used fully permeable pavements are porous asphalt (PA) (excluding open-graded friction courses), pervious concrete (PC), and permeable interlocking concrete pavement (PICP). Unlike impervious pavements, permeable pavements must…
TEMPLATE for GHG emission Analysis and Climate Change for NEPA Documents for STATE DOTs
Background For purposes of the National Environmental Policy Act (NEPA) process, Federal agencies have initiated efforts on how to assess the impacts of potential GHG emissions from proposed Federal actions…
Estimating brake-wear emission reductions with new speed-dependent correction factors
On-road mobile sources are still considered a major pollution source, especially in high-density urban areas. Regulatory measures have significantly decreased the emissions from tailpipes but other uncontrolled emissions from brake-wear,…
Quantifying the stormwater benefits of mode shift to transit
Most stormwater work focuses on how to manage stormwater generated off of impervious roadways. However, getting people to switch from driving alone to taking the bus takes cars off the…
Role of public transit in high education retention and degree attainment
Anecdotally, many lower-income households rely on public transit for transport. How does public transit access to community colleges and 2-year colleges impact a person’s ability to get to college, and…
Restoration of Construction Impacted Salt Marshes
The University of Georgia, in cooperation with Georgia DOT, has developed a PROPOSED construction standard for use by DOT contractors to better restore the geotechnical properties and ecological functionality of…