Traditionally, the main priority of winter road maintenance has been assigned to level of service, cost-effectiveness, and infrastructure corrosion rather than other less well-characterized effects such as impacts to water…
In most states, commitment to put a context-sensitive bridge in as a replacement for a historic bridge in a historic district is made without reference to known examples, design and…
Rehabilitation of historic metal truss bridges often involves the replacement of rivets in the original bridge. Insofar as the rivets are considered part of the historic fabric of the bridge,…
The traditional technique for addressing hydrologic impacts of highway projects is to construct detention basins. While the basins are effective at reducing peak flows and flood issues, they are less…
Chloride-based deicers continue to be the primary deicing chemical of choice due to the huge cost differential with non-chloride deicers. Essentially there are no salt alternatives that are comparable in…
There is a great interest in safe wildlife crossings for a number of reasons: reduced auto/animal collisions that cause economic loss, and physical harm or death to humans and animals.…
Develop a consistent methodology for analyzing noise impacts on different terrestrial species. Develop standard metrics and procedures for the DOTs to conduct noise analyses of our highway projects on wildlife,…
To comply with the transportation conformity requirements, state and local transportation agencies use various transportation strategies designed to reduce air pollutant emissions in nonattainment and maintenance areas by improving traffic…
This study presents thermal snow melting methods utilizing electric heating cable, geothermal, tunnel water heat, and solar that can be applicable for various locations on modern road networks. Compared with…
For project level analysis using MOVES model, detailed link level activity (volume, speed, source type mix, etc.) information are used to estimate link level emission rates or total emissions. Studies…