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The Observations leading to this proposal are 1) that a fibrous material (such as a long-bladed grassy bush or the fur of an animal) can noticeably reduce sound levels from
The objective for this study would be to compile information on the state of the practice among state DOTs for using microscopic traffic simulation in support of project-level air quality
Since its inception 50+ years ago, NEPA has been subject to criticism – takes too long, costs too much, and so on. As a result, many remedies have been put
Identify and assess up to five projects subject to NEPA where OFD was a paramount focus. Assess how OFD was handled in each, ID commonalities, differences, and outcomes? Conduct interviews
For over 20 years Congress and presidential administrations from both parties have sought to accelerate environmental approval timeframes for transportation infrastructure projects. Planning Environmental Linkages (PELs) were first authorized in
NCHRP Synthesis 20-05/Topic 53-19 is a project projected to finish in 2024. The focus of the project was on State DOT product evaluation programs (PEPs) to evaluate product potential and
• Tied to communication across all the disciplines during project development and construction. • Section 106 is not static piece within the project delivery process, it needs to be done
As the U.S. Environmental Protection Agency (EPA)’s preferred air dispersion model for refined transportation project analyses, AERMOD is used to model roadway “link” source using AREA, VOLUME, LINE, RLINE, or
Regulatory requirements for conducting quantitative project-level analyses for particulate matter (PM) were introduced by EPA with the release of the MOVES model in 2010. This proposed study would prepare a
A nationwide survey of how transportation agencies from all levels are successfully defining Areas of Potential Effect (APEs) for projects across the country. APEs are defined as part of the
Many bridges that have been determined eligible for the National Register of Historic Places possess concrete components in need of repair. The Secretary of Interior Standards for concrete repair cannot
TERI Administrator Note (2/18/08): Funded as NCHRP Project 25-25 (55) “Design, Organize and Implement a Training Program for Mainstreaming Environmental Stewardship and Enhancement Activities into Planning and Project Development“ Design
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
The scope of the research will include a comprehensive survey of the various types of solar and wind power systems available, their ability to provide sufficient or excess power for
TERI Administrator Note (January 2009): Idea selected for implementation with NCHRP 25-25 (Task 58) funding in 2009; completed August 2010 Background: Greenhouse gas emissions and the related subject of
Background NEPA environmental documents for projects reflect substantial time and money analyzing and predicting environmental impacts. Decisions on those projects are made based on that information. There is limited or no information
TERI Administrator Note (January 2009): Funded as NCHRP Project 25-25, Task 40. Completed January 2008. http://www.trb.org/TRBNet/ProjectDisplay.asp?ProjectID=1658 Background: The cost and total quantity of noise barriers as an environmental abatement
Background/Need for this Research: "Green" or "Low Impact Development" design features and management practices, such as rain gardens, vegetated swales, and permeable paving systems, can be important elements of
TERI Administrator Note (June 2007): Funded as NCHRP Project 25-25, Task 36 http://www.trb.org/TRBNet/ProjectDisplay.asp?ProjectID=1654 Completed October 2009. Completed study can be found at: http://www.trb.org/NotesDocs/25-25(36)_FR.pdf Survey the state transportation agencies and FHWA
TERI Administrator Note (June 2007): Funded as NCHRP Project 25-25, Task 41 http://www.trb.org/TRBNet/ProjectDisplay.asp?ProjectID=1659 Project completion date: November 2008 Using the 2002/2003 FHWA domestic scan on environmental commitments and AASHTO’s subsequent
TERI Administrator Note (May 2013): Completed Sept 2010 as NCHRP 25-25/Task 60 Increased Use of Environmentally Preferable, Non-Toxic Products to Reduce Costs, Liabilities, and Pollution at DOT Offices, Maintenance Facilities
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
There is a need prepare a white paper to identify practical strategies and methods for stopping/reversing the extension of invasive weeds along roadsides.
The research would solicit, compile, analyze, screen, sort, present, and then distribute effective figures, tables, graphics, visual simulations, video, and other visualization examples for nationwide use and adaptation by practitioners.
Problem The recovery of information from significant archaeological sites affected by transportation projects is a widespread and generally accepted practice throughout the United States. Archaeological data recovery, however, is very
In the near future, transit will have to play a key role in solutions to metropolitan traffic congestion and reduction of greenhouse gas emissions from the transportation sector. To fulfill
TERI Database Administrator Notes: Not recommended at present time by 2009 Environmental Process Subcommittee. A similar project was advanced through NCHRP 25-25, but was dropped because the issue is no longer of
Use Laser ablation/mass spectrometry (LA/MS) to detect historic metal and PAH pollution incorporated in calcareous skeleton of Coral & Mollusks with a precision of days to months. Coral samples from
Background: State DOTs are implementing actions and programs that were developed to provide mobility, cost savings or other benefits. By their nature, many of the actions and programs have greenhouse
TERI Database Administrator Notes. Not recommended at present time by 2009 Natural Systems Subcommittee. Storm water BMP’s are alternatives options to the traditional gutter/culvert approach to treat runoff water. BMP’s
One of the procedures used to reduce the disposal of asphalt and concrete pavement is to perform small pavement cuts and utilize the excavated pavement sections during the restoration process.
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
Using data from one state, conduct a statistical analysis to show the degree to which vehicle miles traveled and 1) accident rates and 2) cost of accidents correlate. Auto insurance
With the growing interest in mitigating climate change impacts from transportation facilities and other projects, a need exists to more fully examine potential impacts. The National Environmental Policy Act (NEPA)
Problem Statement: The National Park System includes 391 sites covering more than 84 million acres. These sites receive some 300 million annual visitors. Transportation has always been an integral part
Research problem statement – The extent to which state DOTs consider and implement maintenance programs to reduce pesticide and herbicide applications, and cause disturbance of roadside vegetation, as well as
Noise associated with highway vehicular traffic has long been recognized as contributing to wildlife avoidance zones adjacent to highways, where traffic may become a “moving fence” that creates an impermeable
There are newly construced wildlife crossing structures on US 93 through the Flathead Indian Reservation. Digital remote sensing cameras would be purchased and installed in these crossing structures to monitor
Considering the temporary nesting patterns of both migratory and resident birds such as a nesting Eagle or local bat populations, the net effect to a construction project in the immediate
Research problem statement – Cured in place (CIP) pipe replacement can have severe environmental effects on workers as well as aquatic resources because of the use of the toxic styrene.
Northeast-Midwest Institute (NEMW) would partner with the National Trust for Historic Preservation and the Sierra Club to carry out this study. NEMW, in a recent study funded by the Abell
While archaeological sites are relatively prevelent in Oregon, they are an important and non-renewable resource vital to our knowledge of the past. Destructive impacts to archaeological sites can occur from
Perform a rapid and targeted global online communication technology assessment focused on emerging tools and “gadgets” that could be adapted, combined or customized to meet specific public involvement and participatory
Wildlife / vehicle collision reduction is a primary goal for providing a safe transportation infrastructure on America’s highways. At the same time, the landscape level impacts on wildlife habitats adjacent
Identify methodologies and systems that can be utilized to determine a state/city department of transportation’s green house gas (GHG)emissions and carbon footprint. The methodologies or systems should include the entire
Metropolitan Planning Organizations (MPOs) typically have project selection criteria that prioritize MPO spending of federal transportation funds. These criteria differ greatly among MPOs. It would be helpful to have a
Traditional culvert designs may create fish and wildlife passage barriers. Project budgets are based on early scoping and preliminary estimates. Cost differences between standard culvert and bank-spanning or other alternate
Subsurface gravel wetlands(SGW) have proven successful as a nitrogen control strategies however costly to construct. SGW have been shown to remove >95% of NO3-N and >55% removal of TP and
Biochar would be specifically produced as an amendment to soil in an attempt to manage carbon concentrations in the atmosphere and create better soil conditions. Specifically, we will assess the
The ability to manage parking has substantially changed in recent years. Parking can now be charged using credit/debit cards, cell phones as other pre-paid options. This allows for employers to
Heavy on-road vehicle freight transportation is a significant contributor of green house gas and other pollutant emissions. Much work has been done to reduce emissions through mandated changes in vehicle
Develop a comprehensive certification program consisting of online and in class sessions. The program will utilize current research, sustainability tools and case study examples to enable transportation professionals to apply
While many agencies use indicators to track performance in areas such as natural environment mitigation, congestion management, or safety, there is a critical and timely need for indicators that support
Porous pavement usage and design has improved dramatically since 2002 (Kandhal and Mallick, 2002) with published guidelines on mix designs (NAPA 2003) with continued refinements (UNHSC 2009) and others. The
Problem Statement Transfer mobility measurements are used to help predict vibration and ground-borne noise impacts from transit and rail systems and also to evaluate the effectiveness of vibration mitigation techniques.
Problem Statement On a national scale, increased emphasis is being placed on expansion and refurbishment of fixed-guideway transit systems, especially steel rail-steel wheel formats. This has exacerbated the need for
We propose to perform comprehensive investigation of wind resources generated from vehicle wakes onUS highways via physical collection of vehicle-generated wind data using state of the art wind measuring instrumentation,
With the use of FaceBook and Twitter, and the internet in general, the public has the ability to organize, share information (both accurate and inaccurate) quickly and with an incredibly
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.
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
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
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
Background There is a wealth of research on climate change and transportation that has been completed or is currently underway. In order to properly identify research gaps and needs, there
The focus of the project is laying out a vision for sustainable energy for passenger vehicles. The project will: Identify the role of government policies on energy transitions in addressing
Research and report on the intersection of sustainability and historic preservation, focusing on identifying the benefits of reinvesting in older, historic transportation infrastructure and in maintaining existing facilities in America’s
Perform a sustainability evaluation of 3 to 5 recent NPDES stormwater permits in the State of California Develop metrics and a simple method to rank permits from a sutainability
In concert with UC Davis, take samples from the calcareous skeletons/shells of invertebrates, cross section them through annual growth rings, burn samples from within the growth ring, analyze the vaporized
Water is a precious finite resource in the United States and throughout the world. Water resource limitations are currently and expected to be one of the main environmental challenges facing
The purpose of the project is to develop a better understanding of sustainable transportation efforts in Canada, the U.S. and Mexico, with particular reference to performance measures. The workshop will
The goal of the proposal is the development of a raster-based GIS model of the potential for the presence of prehistoric archaeological sites in the state of Indiana. The model
Introduction – The medium and heavy duty trucking industry sector could be responsible for 300-400 million metric tons of CO2 by 2030 (World Resource Institute). The same sector currently accounts for
With the rapid development of new energy passenger vehicles and high speed rail, heavy duty trucks will likely become the major greenhouse gas (GHG) emission contributor in transportation sector. In
The recent concurrent introduction of models (MOVES2010, CAL3QHCR and AERMOD) and associated guidance new to federally-required project-level “hot-spot” analyses poses significant challenges for state DOTs and other agencies with responsibilities in project implementation.
Scope: This project will enhance current methods and modeling tools to quantify the benefits of a diversified transportation fuel mix. Benefits to be evaluated include the value of reduced fluctuation in
Scope: South Coast Air Quality Management District (SCAQMD) promotes expedited implementation of advanced zero and low emission transportation technologies in Southern California to achieve air quality standards. In case of high
Scope: Zero and near-zero emission transportation technologies such as electric and hybrid electric vehicles are critical element in California’s strategy in achieving energy security and in reducing emissions of greenhouse
Scope: (1) The objective would be to develop potential regulatory and incentive mechanisms to accelerate deployment of IMO Tier 3 marine vessels to U.S. ports. (2) Key tasks would be
Scope: Background concentrations representative of a project area are the most critical information needed for transportation projects subject to the new guidance for quantitative hot-spot analyses of particulate matter (PM). The
Scope: Transitioning to use of cleaner energy in transportation has the potential to address multiple needs including energy security, energy cost certainty, local air quality, and climate. Many of these benefits
Section 106 of the National Historic Preservation Act of 1966 ( 16 USC 470(f)) requires that Federal agencies take into account the effects of their undertakings on properties eligible for
Federal law requires state departments of transportation (DOTs) to make available for donation to non-DOT parties any historic bridge that is programmed for demolition or replacement (23 USC 144(o)(4)). This
The objective is to idenity opportunities for energy development at properties currently used for Rest Areas. A guidance document on basic requirement would allow for sites to be assessed for future
The object is to characterize the health impacts from decisions on transportation–from planning to projects. This relationship is thought to influence public health issues and transportation agencies need more information about
Testing of a noise reduction panel that has a .95 NRC (noise reduction coifficient) for a lower decibel rating. Mounting panels on existing walls and taking decible readings from different locations.
Develop a method to use less water when curing concrete cylinders in a moisture room and develop a procedure to recylce water from the moisture room. Several times Metro-Atlanta has experienced
Objective- To show that in most cases that the IPAC system is greatly flawed and the most states have far more accurate data in their own GIS Systems.The best available
Scope: The AASHTO Air Quality Community of Practice May 2012 draft report “Establishing and Coordinating Motor Vehicle Emissions Budgets State-of-the-Practice” recommended an NCHRP study to: “advance the state-of-the-practice for establishing
The objective of the project would be to develop example contracting parameters for state DOTs seeking to work with third-party renewable energy developers and/or utilities to construct and manage renewable
The FWS’s Landscape Energy Action Plan in Wyoming piloted a landscape level approach to assessment of impacts to multiple species to assist wind and transmission corridor development, an approach applicable
Identify and test technologies promising “dust-free” environments. Suggested technologies include water-blasting and abrasive blasting with sponge/grit.
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
The objective of the proposed international scan would be to collect lessons learned and success stories from the earliest adopters of the novel approach to power generation.
Key tasks: *Literature review *Interview states with similar initiatives (e.g., NJ, Maine) *Recommend best practices This idea came to mind today during National Trails Training Partnership discussion of publication:
Some years, pine siskins, red crossbills, evening grosbeaks, American goldfinches and other finches are attracted to roads treated with salt. Observers often report lethargy and a lack of wariness as
Climate change is making it more difficult to maintain some infrastructure, particularly in coastal areas subject to sea level rise. In some areas, DOTs are already foreseeing that the department
Automated on-site data collection, GPS/AVL on maintenance vehicles to collect time and material information on maintaining individual BMPs, and national higher resolution datasets coming online are all trends that may
Michigan DOT is currently running a pilot testing LiDAR as an efficient way to add data on engineered structures to the state’s asset management system. Meanwhile, the Missouri Resource Assessment
Over the past decade, carsharing has evolved from an early-adopter stage to become a new mode of transportation in urban areas across the country. While significant work has been done
DOTs are not able to afford to make all desirable changes to adapt to impending climate change, but at least they can provide good basic guidance to local governments on
Background (Problem): Climate change is altering the physical environment that we are living in. Future changes in climate will bring with it rising temperatures, increased precipitation events, rising sea levels,
Given the tight budget times, DOTs are often not in a position to make further investments in environmental areas, but some environmental practices generate other efficiencies for DOTs. These co-benefits
More and more DOTs are developing pilot “showcase” projects on LEED certification of rest areas and oather facilities. Illinois DOT invested in research on the most efficient, cost-effective ways to
FHWA and legal advisors have often insisted on the prominent display of disclaimers in conjunction with social media, which practitioners fear discourages public involvement. Such disclaimers often indicate that limited
Background: Sea-level rise, increased precipitation events, and increased storm severity resulting from a changing climate will increase the vulnerability of transportation assets to flooding and other physical stressors. Recent extreme
Section 1113 of MAP-21 addresses the Congestion Mitigation and Air Quality (CMAQ) program and provides for “optional programmatic eligibility” as follows: (1) IN GENERAL.—At the discretion of a metropolitan
South Carolina DOT would like to research how its Traffic Noise Abatement Policy compares to other states in the southeast, as well as the nation. Comparison of such items as:
Current US DOT guidance specifies 140 to 150 thousand in average daily traffic (ADT) volume as the effective threshold, applicable across the nation, for conducting quantitative assessments of mobile source
In 2012, a template for NEPA/conformity documentation for project-level air quality analyses was completed as NCHRP 25-25 (Task 71), (See “Templates for Project Level Analysis Using MOVES, CAL3QHC/R and AERMOD”,
The use of porous asphalt pavement (PAP) can purify stormwater runoff and recharge the groundwater. PAP is one of the acceptable structural Best Management Practices (BMPs) that can be used
Within the Colorado desert area of southern California, the Coachella Valley Multiple Species Habitat Conservation Plan (CVMSHCP) spans 1.1 million acres across the Coachella Valley. Bordered by Joshua Tree National
Very little information is available on the Northern Long Eared bat’s likely use of vegetation flanking highway corridors. The objective of this research is to review existing data on the
Survey of DOTs, MPOs, LPAs and NGOs regarding bat management strategies, mitigation on and off structures, effectiveness, and general cost benefit analysis including maintenance implications and costs.
Survey of DOTs, MPOs, LPAs and NGOs regarding designs for promoting sensitive reptile and amphibian crossings of roadway corridors, effectiveness, and general cost benefit analysis including maintenance implications and costs.
Survey and compilation of information on erosion control products that are safe for sensitive reptiles and amphibians (netting-free) and erosion control treatments (alternatives to rip rap) that do not block
Survey of DOTs on use of on-line species databases and available GIS data. Which databases are most useful and what are the characteristics that make them useful (resolution and accuracy
A survey of DOTs, FHWA offices, USFWS and federal land managing agencies for practices adopted to manage project review given the uncertainty associated with increasing listing of new species under
The recently completed NCHRP 08-83 study (see excerpt below) on “Analytical Travel Forecasting Approaches for Project-Level Planning and Design” addressed project-level transportation modeling in detail but only addressed air quality
The use of mobile source emissions models is inescapable for many regulatory, planning, and research applications in the air quality and transportation field. Although the U.S. Environmental Protection Agency’s MOVES
Section 106 of the National Historic Preservation Act of 1966 (54 USC §306108) requires that Federal agencies take into account the effects of their undertakings on properties eligible for listing
The NCHRP 25-25 Task 78 study (2015) successfully developed templates for programmatic agreement (PA) and associated technical documentation that are designed to be implemented by state DOTs to streamline project-level
Most recently, NCHRP 25-25 Task 78, developed templates for a PA for CO hot-spot analysis and identified needed research areas to develop PAs for PM hot spot analyses and MSAT
Synthesize publicly-available data to create a computer model that calculates carbon footprint for DOT-centric development. Inputs are needed for embodied carbon, carbon burned during construction and maintenance, and carbon sequestered
State transportation agencies face an increasing number of federally listed species that need to be incorporated into planning processes, while needing to do so within a constrained budget. Each transportation
Development of a “manual” of standard practice for restoring historic bridges would be of great help to the practicing engineer. Civil Engineering curriculum typically doesn’t teach in detail regarding wrought
The designation and classification of areas as nonattainment areas has significant impact on that area. It requires developing both policy and technical approaches to bring the area back into attainment.
Every year a tremendous amount of work goes into public involvement for complex or controversial transportation projects. Creative and effective public involvement strategies have been developed for Section 106 consulting
Under 23 USC 144, any State that proposes to demolish a historic bridge for a replacement project…shall first make the historic bridge available for donation. Truss bridges are logical choices
BACKGROUND: Public-private partnerships (P3s) are contractual agreements formed between a public agency and a private sector entity that allow for greater private sector participation in the delivery and financing of
BACKGROUND: Beginning in in the early 1990s, some State Department of Transportations (State DOTs) began to fund additional staff positions at resource agencies to expedite project delivery. After the passage
Description: It is generally recognized that not all historic truss bridges can be rehabilitated in place or relocated because of structural condition, financial costs, or public interest in preservation in-place.
The rehabilitation of historic bridges often must accommodate upgrading certain components to modern engineering and safety standards. Railing systems are among the most visually prominent of such components, either through
With increasing numbers of species being considered and listed by the US Fish and Wildlife Service for protection under the Endangered Species Act, the need to integrate protection of species
Section 106 of the National Historic Preservation Act of 1966 (54 USC §306108) requires that Federal agencies take into account the effects of their undertakings on properties eligible for listing
BACKGROUND: Recent research has challenged the effectiveness of roadway abrasives in certain settings, but states throughout the nation still use roadway abrasives as part of their winter maintenance programs. The
Roadside trees can create hazards in different ways beyond the crash risk with a fixed object. Additional hazards that create transportation risk are dropping limbs or entire trees falling into
One of the greatest challenges to state transportation agencies is maintenance of roadsides along urban freeway corridors. In many cases plantings in such corridors are designed to be more ornamental
Survey of DOTs, wildlife scientists and landscape architects to summarize species that are valuable for roadside revegetation, pollinators and/or stormwater applications but are not likely to attract wildlife to the
This study would be a follow-up to the 2008 NCHRP study on post-World War II housing and specifically focus on identifying strategies employed by state DOTs to manage the exponential
The Congestion Management and Air Quality Improvement Program (CMAQ) has existed since 1991 providing benefits by reducing air pollution. This program has evolved over the years and will be entering
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
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.
The US interstate highway system is essentially complete, and was constructed in large part without the benefit of stormwater quality features to improve highway runoff water quality or measures to
Monitoring of stormwater runoff from highways is a required element of most DOT NPDES permits, and some DOTs are required to monitor receiving waters as well. Monitoring and sampling activities
The US interstate highway system is essentially complete, and was constructed in large part without the benefit of stormwater quality features to improve highway runoff water quality or measures to
Overview of low effect HCPs, tips for preparation and case studies from transportation agencies that are currently using low effect HCPs to address endangered species affected by non-federal projects and
Create a predictive model tool that uses bridge inventory data to rate the likelihood of migratory bird use on structures. A simple tool could be created using a few common
Customarily archaeologists have been in control of identification of stone features. These have been readily recognized on the Northern Plains and the Southwest, but less so in the NE and
This research will develop the design for a prototype robotic sweeper sweep/collect trash along mainline highway segments. The research should produce the following: 1. Design of a self driving sweeper
Wildlife crossings and enhancements are often integrated into transportation projects and are becoming a larger aspect with long-term mitigation planning for many state DOTs and transportation agencies. There are unknowns
The Advisory Council on Historic Preservation (ACHP), in cooperation with the Federal Highway Administration (FHWA), published two “program alternatives” (viz. 36 CFR 800.14) that significantly streamlined transportation project development. These
Regional advanced mitigation planning (RAMP) has been promoted by DOT/FHWA and others and several projects have been conducted. However, for a RAMP supporting an LRTP to be successful, it must
Conflicts between vehicles and animals on roadways result in 200 human deaths and more than $4B in damages every year nationwide. VDOT spends $4M per year dealing with the challenging
By spanning physical objects such as water features and valleys, bridges connect places of importance. These structures also provide a secondary benefit to wildlife as a means to navigate facilities
AIR QUALITY IS TYPICALLY MEASURED BY RESOURCE AGENCIES USING VERY EXPENSIVE STATIONARY MONITORING EQUIPMENT. THE IDENTIFICATION OF THE BEST LOW COST AIR QUALITY SENSORS FOR DOT AIR QUALITY SPECIALISTS IS
DOTs are not currently creating renewable energy via existing or new noise wall construction. Noise wall posts are currently only used to hold noise wall panels in place. Research is
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
The streamlining value of statewide program-level Section 106 programmatic agreements (PAs) is well established and studied at the national level. What is less known is the value of project-level Section
Federal regulation makes a distinction between undertakings that adversely affect historic properties and those that do not (i.e., no-effect and no-adverse-effect findings). The basis for this distinction is whether a
As required by Section 404 of the Clean Water Act, when work such as the discharge of dredged or fill material occurs in Waters of the United States, including jurisdictional
This study will consist of a survey of DOTs to establish highway-specific requirements for bioretention implementation and assist in standardizing the terminology of the DOT sector. The ultimate product of
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
Many bridges that have been determined eligible for the National Register of Historic Places possess concrete components in need of repair. The Secretary of Interior Standards for concrete repair cannot
This study would develop recommendations for future research topics for air quality, climate change and energy, i.e., a research roadmap. Recommendations would be developed to cover all available NCHRP funding
NCHRP 25-25 Task 104 recently completed updates to templates for a programmatic agreement (PA) for project-level air quality analyses for carbon monoxide (CO). The templates were designed to be customized
Air pollution across the nation has improved significantly over the past 20 years. Nonetheless, in highly populated area, sensitive populations living adjacent to high volume roadways are exposed to air
While 23 CFR 772 outlines how state DOT’s will implement noise analysis and abatement procedures for highway improvement projects, many of the important policy decisions are left to the states
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