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While the MOVES emission model used in project-level air quality analyses can be used to estimate emissions for any road grade, it has not been validated for non-zero road grades
NCHRP 25-55 made ground-breaking recommendations for the design and implementation of an enhanced model evaluation process (EMEP) for air quality analyses for transportation, including in particular that model evaluations be
Background concentrations (BCs) for project-level “hot-spot” analyses for fine particulate matter (PM2.5) included in NEPA documentation are typically high relative to the national ambient air quality standard (NAAQS) set by
This research project would result in the development of a methodology to evaluate the National Register eligibility of post-World War II (postwar) institutional buildings in compliance with Section 106 of
Objective: Develop methods to characterize and mitigate harmful effects of non-exhaust (tire wear, brake wear, re-entrained road dust) motor vehicle pollutant emissions to water quality, air pollution, and environmental and
An increasing number of DOTs and MPOs are considering greenhouse gas (GHG) emissions as part of the planning process, particularly in response to new federal programs addressing on-road GHG emissions.
Wildlife crossings such as overpasses, underpasses, or culverts designed to help animals avoid vehicle traffic can reduce wildlife-vehicle collisions, protect animals, and help maintain their habitat connectivity. While the benefits
Spurred by information on the increasing urgency of mitigating climate change, as well as an injection of federal funding into carbon emissions reduction strategies, transportation agencies are increasingly developing and
Comparisons of alternative build and no-build scenarios in project-level air quality analyses for NEPA and conformity typically focus on comparisons of emissions and/or ambient concentrations of specific pollutants, including greenhouse
FHWA regulations for highway traffic noise (23 CFR 772) outline procedures for traffic noise analysis and noise abatement requirements for State DOT highway projects. The regulations stipulate that noise abatement
The draft findings of NCHRP Project: 20-05/Topic 54-01 Practices to Identify and Mitigate PFAS Impacts on Highway Construction Projects and Maintenance Operations included recommendations to 1) develop a comprehensive guidance
This research effort will provide a compendium of DOTs Alternative Project Delivery processes as they relate to noise abatement. Several approaches will be undertaken to compile the compendium: • A
State Departments of Transportation (DOTs) conduct project-level air quality analyses for the National Environmental Protection Act (NEPA) and to meet the requirements of the Environmental Protection Agency’s (EPA) transportation conformity
Is there a negative perception of DOTs if the mowing schedule leaves taller vegetation throughout more of the year and later into the growing season? Does education about the reasoning
Interseeding (also known as overseeding) can increase flowering plant diversity in grass-dominated stands of vegetation but has rarely been used on roadsides. Research is needed to better understand how to
Operational improvements such as auxiliary lanes and intelligent transportation system treatments are designed to reduce congestion. Even these minor congestion improvement strategies and investments intended to optimize existing roadway system
Background DOTs routinely receive requests to add new products and materials to their lists of approved products, including culvert repair products and materials used for road and bridge repair. Many
Comparisons of alternative build and no-build scenarios in project-level air quality analyses for NEPA and conformity typically focus on comparisons of emissions and/or ambient concentrations of pollutants, namely greenhouse gases
Background Currently, there is minimal guidance from federal agencies on how to conduct noise and vibration analyses specific to wildlife, which results in differing approaches to noise analyses that may
FY2022 NCHRP PROBLEM STATEMENT OUTLINE 1. Problem Title Concrete Curing pH Level Impacts for Minimization of Harm to Aquatic Species 2. Background Construction and maintenance actions regularly require state Department
During project development and construction, DOT agencies must assess the liability of real property acquisitions of contaminated property as well as contaminated waste management generated by disturbing these areas during
Background Per- and polyfluoroalkyl substances (PFAS) are a group of manmade fluorinated chemicals that have been manufactured and used in a variety of industries since the 1940’s. They are persistent
Transportation agencies spend substantial funds to identify cultural resources that are eligible for the National Register of Historic Places and thus subject to environmental regulations. Despite the fact that the
TERI Database Administrator Notes: Note recommended at present time by 2009 Environmental Process Subcommittee. In the current state of the practice there are no tools and best practices available that
TERI Database Administrator Notes: Funded as “Finding the Carrot Instead of the Stick – Incentive-based Approaches for Environmental Compliance” (NCHRP 25-25: Task 50). Planning, construction, and operations of transportation projects
This research will identify promising analytical techniques that enable four-step planning models, used to produce region-wide estimates of vehicle activity data, to interface with modal emission rate models. The research
Energy intensities (energy use per unit of activity) are basic information for forecasting, policy analysis, planning, and monitoring progress toward national energy and environmental goals. The most recent comprehensive study
The ultimate fate of some treated transportation stormwater runoff from BMPs is groundwater. Groundwater is a precious resource. If groundwater quality has become degraded from transportation BMP stormwater runoff, the
Those conducting the proposed research will 1. Identify opportunities for a change in regulatory system approach at the national, state, and local levels. 2. Develop a set of model regulations/ordinances,
TERI Administrator Note (2007): Funded as NCHRP Project 25-31 Hydraulic Modifications to Existing Drainage Infrastructure in Ultra-Urban Areas to Achieve Watershed Total Maximum Daily Loads The transportation community is faced
TERI Administrator Note (June 2007): Research Need Met FHWA, Assessing the Effects of Freight Movement on Air Quality at the National and Regional Level, Final Report, April 2007 http://www.oregon.gov/ODOT/TD/FREIGHT/docs/publications/federal/FHWAFrtAirQualRep1.pdf Given
TERI Administrator Note (Feb 2009) – Research Complete – Related research: The FHWA Roadway Construction Noise Model (FHWA RCNM) Version 1.0 is a Windows-based program that is available without cost
In order to make the best choices regarding the planning and development of highway capacity, transportation decision-makers need a wide range of data. To conduct impact assessment, for example, agencies
Because hydrologic conditions around corridors are the result of transportation-system design processes, the major patterns of road hydrology are well documented. It is generally clear, for example, how highway hydrology
TERI Database Administrator Notes: Not recommended at present time by 2009 Air Quality Subcommittee. The secondary effects of highway capacity expansion on development and land use patterns are often used
TERI Database Administrator Notes: Not recommended at present time by 2009 Subcommittee on Cultural Resources. Transportation investments produce different benefits for different members of the public. Decision makers often need
This project focuses on identifying and developing approaches to more meaningfully involve the public in transportation decision making and to maintain this connection through the development and construction phases. It
TERI Database Administrator Notes: Not recommended at present time by 2009 Subcommittee on Cultural Resources. Research is needed to identify and document how current investment policies affect different groups and
Since the release of the FHWA Traffic Noise Model (TNM), users have identified additional factors that affect highway traffic noise prediction. Improvement of the model’s acoustical capabilities will allow a
With current reductions in funding for State DOTs and agencies, environmental teams have to find new and cost effective ways to better training and educate a shrinking workforce. This effort
TERI Database Administrator Notes: Not recommended at present time by 2009 Natural Systems Subcommittee. Highway crossings can have a negative impact on ecosystems by creating barriers that inhibit the movement
TERI Database Administrator Notes: Not recommended at present time by 2009 Natural Systems Subcommittee. Subcommittee recommended funding ID#86, which addresses similar issues. The proposed research will use existing data (e.g., aerial
In a selection of states, and across a gradient of ecological and transportation factors, this experimental research would test for correlations among areas of known deer abundance and established rates
TERI Administrator Note (May 2013). Completed in 2011 as NCHRP Report 686 Road Pricing: Public Perceptions and Program Development Currently, vehicle insurance, registration fees and taxes are not directly
TERI Administrator Note (Feb 2009) – Research completed: Parking Management: Strategies for More Efficient Use of Parking Resource, Litman, Todd; (2008) Current transportation and land use planning practices result in
TERI Administrator Note (Feb 2009) Related Research: Diesel Retrofit Technology – An Analysis of the Cost-Effectiveness of Reducing Particulate Matter and Nitrogen Oxides Emissions from Heavy-Duty Nonroad Diesel Engines Through
I. Research Problem Statement For years non-selective, residual herbicides were used to keep the roadsides at the edge of the pavement free of vegetation. These areas, sometime referred to as
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,
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. Problem Statement: There is increasing evidence that nutrients are major constituents in highway runoff. This varies with the area of ROW as well as the vegetation types and adjacent
To look at how alternative energy sources such as solar or fuel cell can link with transportation movement systems in providing symbiotic alternative power for our building and movement needs.
Bats are an indispensable natural resource. Notably, they consume enormous quantities of farm and forest insect pests, saving the agricultural industry millions in lost products. Unfortunately, more than half of
Many local rural roads were designed to provide land access, with little thought given to high traffic or heavy loadings. In some areas this includes higher classified “farm to market”
TERI Database Administrator Notes. Not recommended at present time by 2009 Natural Systems Subcommittee. Subcommitee recommended funding ID#456, which addresses similar issues. This would be a follow-up to research on the
Development and implementation of multi-state plans/strategies for relocation of endangered freshwater mussels from thriving source populations to rivers within the historical range of these species for the purposes of augmentation
Research would involve review of previous applications of context sensitive solutions and where these ideas have succeeded versus failed. Beyond CSS, we have right-sizing principles which have not always been
The Illinois Department of Transportation is currently working with the University of Illinois to study the feasibility of off-setting or displacing electrical power grid demands through the use of wind
There is presently no contemporary instructional media available to state DOT’s on herbicide application.
Problem Statement – There are many definitions of the term “equity.” The way equity is defined influences the distributive goals of an action. Cost-benefit analysis, for example, usually employs the
Problem Statement – The most widely accepted and used source of information on income levels for environmental justice analysis is the U.S. Census Bureau. However, such analysis based on income
The proposed research would be conducted in several steps: 1. Identify external costs of highway transportation that are sensitive to changes in the level of vehicle-miles traveled and select the
Phase I: Information Collection and Needs Analysis – Based on the literature review and assessment of other information collection activities, the Phase I report will summarize what is known about
The purpose of this research is to follow up on the NRC committee work on CAFE and provide analyses of different alternatives to CAFE. An evaluation of different alternative CAFE
TERI Database Administrator Notes. Not recommended at present time by 2009 Natural Systems Subcommittee. Transportation noise has the potential to negatively impact animal populations. In recent years several studies have
TERI Database Administrator Notes. Not recommended at present time by 2009 Natural Systems Subcommittee. Subcommitee sees this topic as consistent with ID#86. A state of the practice survey and gap
TERI Database Administrator Notes. Not recommended at present time by 2009 Natural Systems Subcommittee. Along Route 20 from Ashton to the Montana border in eastern Idaho motorists are threatened by
TERI Database Administrator Notes. Not recommended at present time by 2009 Natural Systems Subcommittee. FHWA is currently establishing a 100 acre native grassland planting along I-35. We do not have
I. RESEARCH PROBLEM STATEMENT There is a renewed interest nationally and internationally in vehicular emissions, particularly as it relates to the formation of greenhouse gases. To date, there has been
TERI Database Administrator Notes: Not recommended at present time by 2009 Subcommittee on Cultural Resources. Develop a three-day course that would cover the basics of Tribal Consultation, including a step-by-step
Document hydrologic and hydraulic impacts of existing highway systems on nearby streams. Using 10 impacted streams in geographically diverse ecosystems, evaluate the runoff generated from a highway system and the
As mentioned in the 2009 call for research ideas, the transportation sector is currently responsible for approximately one-quarter of greenhouse gas emissions in the United States and is expected to
Departments of Transportation (DOTs) throughout the United States are responsible for keeping state and federally owned/operated transportation corridors safe and operational during winter months when snow and ice can accumulate
Porous asphalt installations will be monitored and the hydrologic aspects monitored over a 2-year period to study the effects of water moving through pavement and sublayer systems as well as
Freight transportation is a major contributor of greenhouse gases and other air pollutants in the U.S. Much of these emissions are due to truck operations, which have relatively higher emissions
This research idea was developed as part of NCHRP Project 24-27(03) “Evaluation of Bridge-Scour Research: Geomorphic Processes and Predictions,” and addresses three Focus Areas (Environmental Considerations in Planning, Project Delivery/Streamlining,
Problem Statement Residents on the opposite side of a highway from a reflective noise barrier often complain that construction of the barrier has increased noise levels in their area. The
Problem Statement Although current and historical efforts to reduce transportation-related noise have been costly to develop, implement, and enforce, the nature and magnitude of their specific costs have not been
RESEARCH PROBLEM STATEMENT The transportation industry is experiencing a paradigm shift toward livability and sustainability, as evidenced by federal-level policy, new grant programs and keen interest in research connecting
RESEARCH PROBLEM STATEMENT Paying a contractor based on the quality of pavement construction is not new. In fact, nearly all specifications accomplish this, be it through means & methods, end-result,
PROBLEM STATEMENT: It has been the experience of a number of state transportation departments, that there is a strong potential for residents on the opposite side of a highway from
SUMMARY Major cities contain critical multi-modal infrastructure for both the movement of people and goods including some of the oldest systems still operated in the U.S. Climate change impacts such as
RESEARCH PROBLEM STATEMENT Inappropriate speed is one of the primary safety hazards facing highway users. Most road agencies attempt to achieve the right operating speed among drivers by imposing speed
Problem There would be value in discerning a realistic auto operating context/profile to use in comparison with transit travel. We tend to compare mean characteristics of the modes when it
Problem Statement Transit vehicular warning horns are relatively omni-directional and can be a source of annoyance in areas of the community adjacent to rail lines. For example, train horns sounded
Per the Moving Cooler report, “eco-driving strategies can achieve cumulative greenhouse gas (GHG) reductions by changing the efficiency of individual driving behavior, if widely embraced and practiced.” The Moving Cooler
TERI Administrator Note (May 2011): FHWA has a project underway that is addressing these issues. (John Davies is FHWA contract point.) Problem One of the approaches for reducing transportation-related greenhouse
Problem It is anticipated that future changes in climate will bring with it rising temperatures, increased precipitation events, permafrost, increasing sea levels, etc. Transportation infrastructure is likely to be affected adversely
Problem Statement Advanced (2nd and 3rd generation) biofuels include a range of renewable liquid or gaseous fuels produced from non-food sources such as woody grasses, agricultural residues and organic waste.
Problem How would pursuing transportation sector specific policies in conjunction with a cap and trade system change the price of allowances, alter the share of emissions reductions from transportation, and
Problem Evidence suggests that there are synergies between transit, land use, and pricing strategies that enhance the greenhouse gas (GHG) reduction effect of each when implemented together. However, more detailed
Problem Most studies to date have relied on annual percent increases from baseline transit ridership in order to project the greenhouse gas emission reduction potential of transit investments. This study would
Problem Early federal transit-related greenhouse gas (GHG) efforts such as the American Recovery and Reinvestment Act’s (ARRA) Transit Investments for Greenhouse Gas and Energy Reduction (TIGGER) grants enable transit agencies
Problem The climate change literature projects that weather conditions and weather patterns could change significantly enough to trigger shifts in land use, economic activity and trade, which would lead to
Planners and developers need a user-friendly approach or tool to measure supply and demand for transportation-efficient development. Consumers may prefer more transportation-efficient development than currently exists. Knowing that would be
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”
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
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
Equity is on the agenda of a growing number of MPOs and state DOTs, following Title VI requirements and subsequent federal guidelines. At the same time, there is little practical
While many EJ issues are legitimate, many are also unsuited for legal action. Moving forward, the goal of our EJ work is to address this dilemma by conducting empirical research
Construction, operation, and maintenance of infrastructure changes land surface permeability and runoff rates. Roadside ditches carry invisible chemicals such as zinc and cadmium, nitrogen oxides, hydrocarbons, herbicides, and road salt.
There are several types of models used in analyzing highway emission impacts to air quality for both regional analysis and project or hotspot analysis. These models include traffic operations, transportation
Observations and modeling of ground water flow underneath and through road embankments will lead to a better understanding of permafrost stability. Thermal models of road embankments have been a useful
Scope: (1) Objectives. The objective of our proposed scope of research is to research and develop professional activities aimed at incorporating wildlife mitigation into standardized federal and state highway planning and
An efficient and robust surface highway transportation system is essential for continued economic growth of the US. Conversely, vehicle emission has increasingly resulted in adverse impact on air quality and environmental
Scope: Across the nation, streams and drainage channels have been severely degraded to provide drainage for land development and transportation projects. Federal and state regulations require mitigation for impacts to channels
Standard practice in the U.S. within hydrology is to assume a Log-Pearson III probability distribution for predicting flood flows. This practice came about due to the computational resources that were
This research project will evaluate the feasibility, cost-effectiveness and benefits of using multi-scale modified asphalt binder and locally available low-cost materials and waste materials (e.g., recycled plastics, reclaimed asphalt pavement
This research project will evaluate the feasibility, cost-effectiveness and benefits of using ultrahigh volume fly ash concrete (UHVFAC) for the construction and maintenance of highway structures and pavements. The environmentally
This study would examine the response of pollinator movement and subsequent gene flow and reproductive fitness between and within rare endemic plant populations that are fragmented by roads by road
Climate change may affect human health via interactions with air pollutants such as ozone and PM2.5. These air pollutants are linked to climate because they can be both affected by
Develop analytical tools and prepare recommendations for highway and rail infrastructure investments that will alleviate bottlenecks and produce environmental, energy and public health benefits. Our proposed collaborative Green Corridor
Policies are needed to fund transportation infrastructure upgrades to avoid catastrophic costs and risks. However, while transportation experts see these costs and risks as significant, members of the general public
In the USA’s 374 metropolitan areas of 50,000 population and above, there is a significant variation in the rate of road-based passengership (being a passenger in a car, van, or
We propose a novel, flexible, cost-effective, laptop-based, in-situ measurement system that will be capable of gathering all necessary data in a practical way while also enabling the testing of a
State DOTs, like many other agencies during this economic downturn, have struggled to provide basic services. At the same time, the housing market has imploded and the number of returning
This study will assess how advances in non-market economic valuation methods of ecoservices from natural systems can be incorporated into current approaches to EIS analysis and Benefit-Cost Analysis of proposed
Environmental noise pollution relates to ambient sound levels beyond comfort levels; as caused by traffic, construction, industrial, as well as some recreational activities. It could aggravate serious direct as well
To identify the optimal placement of electric vehicle charging stations for the traveling public in order to reduce range anxiety for electric vehicle travelers along major travel corridors in Illinois.
PROBLEM Historic roads are an intrinsic part of the nation’s heritage, representing different periods and trends in engineering design from the wagon roads that survive in rural areas to early
A comprehensive study of the geophysical investigations of cemeteries using case studies (n=50) and interviews with experience practitioners to determine best practices for maximizing the effectiveness of these investigations. Analysis
Objective: Analyze environmental and energy benefits of increased efficiency in the Northeast Corridor as a result of improved freight operations. Background: A great deal of effort and attention is being
From USC forecast model, take high priority watersheds and create watershed management plans. The management plans will assess watershed condition, threats and opportunities. Develop improvements, restorations, and protections for water
Statement of Work (Objective) This research proposal is to support work on an often overlooked naturally occurring ecosystem fuel, organic soils and/or deep duffs. These fuels have posed a threat
In 2012, the EPA MOVES model became a requirement for air emissions modeling on transportation projects. In addition to MOVES, EPA regulations require dispersion modeling using one of two allowable
November 2012 Proposal: Effective December 20, 2012, a new era in air quality analyses for transportation projects begins as regulatory requirements issued by the US Environmental Protection Agency (US EPA)
Background and Objectives Roads of different sizes, substrates, and traffic volumes have been shown to inhibit the movement of large mammals, small mammals, herpetofauna, and invertebrates (Brehme et al. 2013).
There has been a great deal of interest in building airport stations on rail public transportation (heavy and light rail as well as intercity passenger rail). This study would look
Research Idea Scope Background: Current municipal and transportation-related stormwater permits in western Washington require the use of low impact development (LID) as the preferred and commonly used approach to managing
Background: Natural and engineered dispersion are best management practices (BMPs) designed to receive highway runoff from sheet flow for the purposes of water quality treatment and flow control. These BMPs
Background: This research proposal seeks to study Portland Cement Pervious Concrete’s (PCPC) ability to remove pollutants, particularly heavy metals, and reduce surface volume flows from highway runoff. This study will
The proposed study would incorporate No Adverse Impact floodplain management and mitigation into future planned transportation projects. The objective is to evaluate potential flood risk for transportation projects early in
Develop a set of resources for comprehensive and multi-modal evaluation of transportation projects, similar to the following: DfT (2006), Transport Analysis Guidance, Integrated Transport Economics and Appraisal, Department for Transport
Wetlands are among the world’s most ecologically productive and economically important environments, but they are also one of the world’s most endangered environments. Approximately 53% of wetlands in the lower
While there are a number of published studies that provide information to state and local agencies about the potential emission reduction benefits of control strategies that are designed to reduce
There is a need for invasive species control performance standards. NCHRP Synthesis 363 identified that there are few studies that quantify benefits of invasive secies control, thus highway departments often commit
When applying MOVES (MOtor Vehicle Emission Simulator) in project-level PM (particulate matter) conformity analysis, link-based traffic characteristics are required at local roadway level so as to ensure realistically representation of
The purpose of this research is to evaluate modeling techniques and ambient measurements to comprehensively understand and explain vehicle emissions contributions to local air quality. The research will consist of
Note: This research idea was short-listed at the 2015 TRB meeting of the Project-Level Subcommittee of the Transportation and Air Quality Committee (ADC20). The broader research problem to be addressed
The Wisconsin Department of Transportation (WisDOT) has built a number of structures to facilitate Aquatic Organism Passage (AOP) over the last decade, several of which have been designed in accordance
Summary Statement: Research is needed in fusing together public and private commodity flow and operational datasets describing the light and heavy truck shipments between supplies and buyers. The data fusion
Summary Objective: The objective of this research is to provide guidelines and best practices for practitioners for developing spatial and temporally detailed vehicle fleet and activity estimates for input to
Cost benefit analysis of culvert and bridge maintenance often omit aspects of ecological integrity. Over the lifetime of a stream crossing, the structure type will impact biological communities such as
There would be two parts to this study: 1) Literature Review and Synthesis of Current Practices and 2) Development of Cost-Effective Monitoring Techniques 1. Literature Review and Synthesis of Current
The purpose of this research is to evaluate dispersion models and understand their current limitations using data collected from tracer studies conducted at locations with complex real-world traffic flow patterns.
Electric vehicle charging stations are becoming more commonplace in many states but vary as to type and format and usage-there is no consensus as to how they should be funded
Chloride-based deicers continue to be the primary deicing chemical of choice due to the huge cost differential with non-chloride deicers, which generally cost 15 to 20 times more than regular
RESEARCH PROBLEM STATEMENT Interstate highway improvement projects that are deemed to have traffic noise impacts result in near-road barrier walls being constructed or expanded. Although the barriers are designed and
A number of states have established goals for reducing GHG emissions from the transportation sector but many suggested changes are outside the jurisdiction of State DOTs (efficiency standards, land-use, etc.).
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
State DOTs would benefit from guidance that goes beyond the norm on how to conduct modeling for project-level air quality analyses and addresses which modeling inputs are the most cost-effective
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
Synthesis, case studies, and summary of approaches to conservation of pollinating insects, including both species listed under the Endangered Species Act and unlisted species. The synthesis would include information from
Post war commercial structures and areas, in particular, shopping centers, banks, gas stations,, restaurants and car dealerships were typically placed along major thoroughfares. Though some have experienced updating renovations, many
In comparison to conventional tires, the low rolling resistance (LRR) tires often have higher prices, shorter mileage life, reduced wet and snow grip performances, and depending on the target market
For highways outside of cities, infiltration within a right of way (ROW) may be one of the few means of meeting the return to predevelopment hydrology requirement under the Energy
RESEARCH THE RELATIONSHIP BETWEEN TRAFFIC NOISE, NOISE WALLS, NOISE REDUCTIONS, TRAFFIC, AIR QUALITY, AND ATMOSPHERIC CONDITIONS VIA 24/7 WEATHER, TRAFFIC, AND NOISE STATIONS.
Stormwater treatment of bridge deck runoff has always been a tough design challenge. Traditional methods of treating bridge deck runoff suggest piping stormwater off the bridge and treating it on
The efficacy of scuppers or cutouts in ‘Jersey’ or concrete median barriers on passing wildlife remains untested; yet DOTs utilize scuppers as mitigation for the impacts of constructing concrete median
Air quality project-level analyses (PLAs) that state DOTs are required to prepare for purposes of NEPA and the EPA transportation conformity rule have become more complicated, time-consuming and costly in
Fog induced visibility reduction is imposing a serious threat to safety, has limited traffic movements along highways and has so many indirect effect on economy and human life during winters
This study will develop a compost blended with phosphorus sorption media mix (Mix), which will treat highways stormwater runoff while limiting phosphorus leaching. Compost effectively removes metals and other pollutants
State DOTs would benefit from guidance that goes beyond the norm on how to conduct modeling for project-level air quality analyses and addresses which modeling inputs are the most cost-effective
The objective of this research is to understand how and to what degree the full delegation of environmental permit responsibilities (and associated penalties for noncompliance) may change contractors’ construction sequencing,
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
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
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
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
A multi-disciplinary approach to building a national-level historic context for historic roads that will then be used to build state-level historic contexts. Using economy of scale, develop a historic context
Roadside fires are increasing in many parts of the US, partially amplified by climate change and increased traffic volumes as well as stress on maintenance budgets. Wildfire prevention and response
As more state DOTs are installing wildlife fencing, overpasses and underpasses, maintenance staff are faced with deciding how to manage vegetation, maintain structures intended for different types of animals, and
Environmental activities in transportation are heavily founded in duly-established law and regulation. Law and regulation is augmented by defined requirements of environmental agreements/contracts and filtered through agency policies. Environmental activities,
The U.S. Environmental Protection Agency (USEPA), the Federal Highway Administration, the U.S. Geological Survey and Several National Cooperative Research Program studies use the USEPA definition of a synoptic storm event
The objective is to develop a consistent methodology for analyzing noise and vibration impacts on different terrestrial species. Develop standard metrics and procedures for the DOTs to conduct noise analyses
A major update to the MOVES emission model used in air quality analyses of transportation improvement projects is expected later this year, which may result in significant changes to forecast
Traffic volumes dropped substantially across the nation as a result of stay-at-home policies implemented during the coronavirus pandemic, resulting in improved air quality which in turn can lead to improved
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