Comparison of State Traffic Noise Abatement Policies Across the Nation
In light of the requirement for state DOT’s to update their noise poicies, it would be beneficial to compare the policies for regional and nationwide trends.
Comparative Effectiveness of Multi-Modal Alternatives in the Long Term
There are several examples of metropolitan areas choosing not to build major transportation infrastructure for single-occupancy vehicles (SOVs) – Vancouver, B.C.; San Francisco, CA etc. This study would be a comparative…
High Speed Rail — Identifying, Analyzing, and Mitigating Impacts to Ecological Connectivity and Species Movement
Nationally we have raised awareness and action to address ecological impacts of roads upon wildlife, particularly means to avoid and reduce wildlife-vehicular collisions. This is done by identifying and protecting/avoiding intact…
Rapid Electric Vehicle Connection to the Electric Grid
Plug-in and Hybrid Electric Vehicles (EVs) reduce oil imports. However, the current transportation infrastructure is not optimized for EVs. Without new technology and infrastructure, capital and operational barriers will harm the “Plug-In”…
Evaluating and Comparing Various Methods to Create a Regional Ecosystem Framework or Watershed Plan
Currently, to implement Eco-Logical, it is critical to either implement or adopt a Regional Ecosystem Framework (REF) or a Watershed Plan for the transportation/conservation planning area. Currently there are many…
Optimizing Recycled Asphalt Shingles in HMA
Generalizations have been made as to (re) using shingles in HMA and WMA pavements. The engineering opimization of RAS has only been touched upon as to setting limits of RAS replacement. Grade…
Optimization of Porous Pavement Mix Designs for Installation, Durability, Maintenance, and Cost
Porous pavement usage and design has improved dramatically since 2003 when the National Asphalt Paving Association published guidelines on mix designs with continued refinements by the UNHSC and others. The use…
Design Optimization of the Subsurface Gravel Wetland for Linear Transportation Right of Way and Stormwater Pond Retrofits for Nutrient Controls
Subsurface gravel wetlands have proven successful as a nitrogen control strategies however costly to construct. Studies show that these systems show a unique ability to remove bioavailable nitrogen in excess…
Quiet Wildlife Underpasses
Many wildlife underpasses are noisy and frighten animals away. Research needs to be done to find a way to make thes structures (bridges, box culvers, steel arch culverts, conspan arches,…
Improving Travel Behavior Data for Environmental Vehicle Analyses
Problem Statement: Climate change, energy security and air quality concerns are at the forefront of contemporary challenges in the transportation sector. High quality travel behavior data provides an important input…