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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>Following the LEED Standard</title>
      <link>https://trid.trb.org/View/1257452</link>
      <description><![CDATA[The growing emphasis on sustainability has led to more interest in the Leadership in Energy and Environmental Design (LEED) Sustainability program, created by the U.S. Green Building Council (USGBC).  This article provides an overview of LEED, especially as it relates to pavements.  The current version of LEED, version 3, includes   New Construction, Existing Buildings, Core & Shell, Commercial Interiors, Retail, Homes, Neighborhoods, Schools and Healthcare. The latest updates will expand the types to cover 21 different areas of the construction industry.  Although it is a voluntary rating system, to date there has been roughly 10 billion square feet of LEED development in 135 countries.  There are five main credit categories:  sustainable sites, materials and resources, water efficiency, energy and atmosphere, and indoor environmental quality.  The first two are of the most interest to the paving industry.  Each category has prerequisites that are required while there are some optional credits, allowing contractors to pick and choose from the information. The category of sustainable sites, for example, could include heat island reduction and storm water management credits.  When completing LEED projects contractors should be aware that some information may be required to verify credits.  To boost their familiarity with LEED, contractors can become accredited in several different areas of LEED or join their local USGBC chapter.]]></description>
      <pubDate>Wed, 31 Jul 2013 07:53:32 GMT</pubDate>
      <guid>https://trid.trb.org/View/1257452</guid>
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      <title>Following the LEED</title>
      <link>https://trid.trb.org/View/1098390</link>
      <description><![CDATA[Industrial property developers are cultivating greener distribution facilities and nurturing Leadership in Energy and Environment Design (LEED) standards compliance. The bounty? A harvest of benefits for their tenants.]]></description>
      <pubDate>Fri, 01 Apr 2011 10:31:31 GMT</pubDate>
      <guid>https://trid.trb.org/View/1098390</guid>
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      <title>LEED accreditation &amp; certification : where does parking fit?</title>
      <link>https://trid.trb.org/View/873252</link>
      <description><![CDATA[]]></description>
      <pubDate>Mon, 27 Oct 2008 09:19:45 GMT</pubDate>
      <guid>https://trid.trb.org/View/873252</guid>
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      <title>A Neighborly Application of Sustainability</title>
      <link>https://trid.trb.org/View/872526</link>
      <description><![CDATA[The West Town redevelopment in Atlanta is one of 238 projects selected for the U.S. Green Building Council's Leadership in Energy and Environmental Design for Neighborhood Development (LEED-ND) pilot program.  This article describes the LEED-ND program and uses the West Town project to illustrate LEED-ND implementation.  LEED-ND is the first certification program to concentrate on neighborhood design components such as smart growth, new urbanism, and green or sustainable building. LEED-ND site-design criteria address development density, construction and development impact zones, stormwater management, utilization of existing natural features and topography, reduction of heat islands and pedestrian orientation. LEED-ND encourages the concept of healthy living by concentrating on compact, walkable neighborhoods with green space.   The LEED-ND pilot program provided an extensive menu of options to incorporate sustainable features into site development and building construction. West Town, a 42-acre redevelopment of a predominantly industrial area, was a good fit for the LEED-ND pilot program.  West Town consists of more than 9.6 acres of open green space, up to 1,450 housing units, mixed-use residential space, and approximately 150,000 square feet of commercial space. Stormwater management and open/green space were two major components of the West Town program. Several innovative measures helped the team achieve its stormwater management goals, including drainage cells beneath single-family driveways for rainwater harvesting, bioretention and rain gardens in open areas, infiltration trenches in the alley ways between housing blocks, and a comprehensive restoration program for the stream through the center of the site.  A delicate balance had to be reached between meeting jurisdictional requirements for open space/green space, providing ample open space for the neighborhood development, and maintaining the feel of living in an urban community. The integration of pedestrian pathways and corridors, pocket parks, and natural areas along the streams helped create the experience of outdoor living within the city.  West Town is an excellent example of how the LEED-ND goal of creating healthy and livable neighborhoods can be successfully achieved in an urban setting.]]></description>
      <pubDate>Tue, 21 Oct 2008 08:48:29 GMT</pubDate>
      <guid>https://trid.trb.org/View/872526</guid>
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      <title>Setting the Standard in Sustainability: Duke University Hoping to Build First USGBC-Certified Freestanding Garage</title>
      <link>https://trid.trb.org/View/871064</link>
      <description><![CDATA[This article describes the 1,900-car sustainable parking garage under construction at Duke University. Focus of the project is on the sustainable design for the garage. It is expected that upon completion, the garage may be the first freestanding parking garage to achieve Leadership in Energy and Environmental Design (LEED). The article details the garage's green features that will enable the LEED certification. Among the features described are: 1) replacing an existing surface parking lot, thus reducing the area of new hardscape surfaces on the campus; 2) green trellis canopies on the roof and green screen exterior walls; 3) discounted parking passes for owners of low-emission, fuel-efficient, carpool, and vanpool vehicles; and, 4) revenue control systems for the faster processing of vehicles, thus reducing vehicle idling.]]></description>
      <pubDate>Tue, 30 Sep 2008 08:33:18 GMT</pubDate>
      <guid>https://trid.trb.org/View/871064</guid>
    </item>
    <item>
      <title>Greening the Blacktop: Using Asphalt's Environmental Qualities to Compete</title>
      <link>https://trid.trb.org/View/855949</link>
      <description><![CDATA[This article explains the concept of LEED (Leadership in Energy and Environmental Design), a green building rating system, and how asphalt pavements can meet LEED standards. As more municipalities and federal facilities require that certain projects meet green building requirements, asphalt’s role is an important one, especially in the overall LEED rating of a development. Its greatest contribution is stormwater management through the use of porous asphalt. In addition, several techniques for mitigating urban heat island effect can be affected by asphalt usage. The author describes how porous pavements can generate LEED credits, as well as how the urban heat island can be mitigated by providing lighter-colored asphalt surfaces. A number of ways to make asphalt surfaces lighter are suggested. The ability to recycle hot mix asphalt also provides LEED credits. The author concludes that asphalt pavements can potentially provide more LEED credits than other types of pavement.]]></description>
      <pubDate>Tue, 03 Jun 2008 07:31:27 GMT</pubDate>
      <guid>https://trid.trb.org/View/855949</guid>
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    <item>
      <title>Hoosier Upgrade</title>
      <link>https://trid.trb.org/View/859536</link>
      <description><![CDATA[Indianapolis International Airport's $1.1 billion greenfield airport improvement program has been more than 30 years in the making. By the end of 2008, passengers will be able enjoy a contemporary design and access features that include a 7,100 car parking deck and a new 1.2 million square feet terminal. Designed to achieve basic Leadership in Energy and Environmental Design (LEED) certification, the terminal is using low-volatile organic compound paints, sealers, and carpets, and will have in-floor radiant heating and cooling. In order to build roads to access the terminal, process stormwater before releasing it, and bring utilities to the greenfield site, extensive infrastructure work was required. Logistical and construction related issues are discussed.]]></description>
      <pubDate>Thu, 22 May 2008 07:41:14 GMT</pubDate>
      <guid>https://trid.trb.org/View/859536</guid>
    </item>
    <item>
      <title>Green Terminals</title>
      <link>https://trid.trb.org/View/855986</link>
      <description><![CDATA[An ever-increasing number of airports are expanding, modernizing and replacing aging terminals in response to the steadily increasing volume in airport passenger traffic. Along with revamping these terminals, many projects have begun to incorporate sustainable design features that are essentially turning airport terminal projects green. In addition, many airport operators are insisting that their newly green projects conform as much as possible to the Leadership in Energy and Environmental Design (LEED) standards, which were developed by the Washington, DC-based U.S. Green Building Council (USGBC). LEED offers four levels of point-based certification regarding achievement in design materials meeting compatibility or promotion standards in environmental sustainability. These levels include: Certified, 26-32 points; Silver, 33-38 points; Gold, 39-51 points; and Platinum, 52-69 points. Points are awarded based on performance in 1) site design, 2) water efficiency, 3) energy and atmosphere, 4) materials and resources, 5) indoor environmental quality. The impact of how LEED is transforming airport terminal design is presented in a lengthy discussion about Boston Logan International Airport, the first new airport in the United States that is LEED-registered. Another LEED example cited is Panama City-Bay County Airport (PFN) in Florida. In 2010, PFN is scheduled to open the first completely new U.S. air carrier airport, at estimated cost of US $330 million and a total size of 105,000 square feet.]]></description>
      <pubDate>Wed, 21 May 2008 07:08:51 GMT</pubDate>
      <guid>https://trid.trb.org/View/855986</guid>
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    <item>
      <title>Solar Reflectance of Concretes for LEED Sustainable Sites Credit: Heat Island Effect</title>
      <link>https://trid.trb.org/View/836925</link>
      <description><![CDATA[This 94-page report presents the results of solar reflectance testing on 135 concrete specimens from 45 concrete mixes, representing a broad range of concrete mix designs. The purpose of this testing is to determine which combinations of concrete constituents will meet the solar reflectance index requirements in the Leadership in Energy and Environmental Design for New Construction (LEED-NC) Sustainable Sites credit for reducing the heat island effect. Samples for each component (cement, fine and coarse aggregates, and supplementary cementitious materials) were selected to test the broadest range of color (light to dark) of readily available materials for concrete construction. While all materials were tested, second round testing focused on concrete mixes with the darkest (lowest reflectance) combinations of materials, that is, those more likely to fail the LEED criteria requirements. The following conclusions are based on the solar reflectance measurements of 45 sets of concrete specimens representing exterior concrete flat-work: All concretes in this study have average solar reflectances of at least 0.30 (corresponding to an SRI of at least 29), and therefore meet the requirements of LEED-NC SS 7.1. These concretes also meet the requirements for steep-sloped roofs in LEED-NC SS 7.2. The lowest solar reflectances are from concretes composed of dark gray fly ash. The solar reflectance of the cement has more effect on the solar reflectance of the concrete than any other constituent material. The solar reflectance of the supplementary cementitious material (in this study, fly ash or slag cement) has the second greatest effect.]]></description>
      <pubDate>Thu, 25 Oct 2007 10:26:42 GMT</pubDate>
      <guid>https://trid.trb.org/View/836925</guid>
    </item>
    <item>
      <title>Sustainable Design for Communities</title>
      <link>https://trid.trb.org/View/836715</link>
      <description><![CDATA[This article describes a new sustainable development initiative called Leadership in Energy and Environmental Design for Neighborhood Development (LEED ND).  The goal is LEED ND is to encourage developers to revitalize urban areas and reduce land consumption, reduce dependence on automobiles, and promote pedestrian activity.  LEED ND also seeks to improve air quality, decrease polluted stormwater runoff, and build more livable, sustainable communities for people of all income levels.  To this end, a partnership of organizations, builders, developers and the environmental community have joined together to develop a national set of standards for new neighborhoods based on the principles of smart growth, new urbanism and green building.  A pilot program launched in 2007 provides an important new tool for guiding development and reducing its impact on the landscape.  It also provides a standard of measurement for sustainable communities by incorporating LEED principles on a project-wide scale.]]></description>
      <pubDate>Mon, 22 Oct 2007 10:15:32 GMT</pubDate>
      <guid>https://trid.trb.org/View/836715</guid>
    </item>
    <item>
      <title>Setting a Green Standard for Rail Facilities</title>
      <link>https://trid.trb.org/View/808879</link>
      <description><![CDATA[In this article the author describes the reconstruction of the Metropolitan Transportation Authority/New York City Transit's (NYCT) $165 million Corona maintenance facility using “green” construction methods. The site is being built in compliance with an early 2000s executive order to make buildings in the state more environmentally friendly and energy efficient. The old Corona facility, built in the 1920s to serve the No. 7 line, has been built so as to support four to seven year maintenance cycles, car modification programs, car component replacements, and scheduled-care inspections. The building has been designed to save 36 percent of the energy over and against conventional designs. This is achieved through a variety of measures, including improved ventilation over air conditioning, high quality insulation, and a photovoltaic system on the building's roof. This project was built using the design-build method.]]></description>
      <pubDate>Thu, 31 May 2007 07:29:24 GMT</pubDate>
      <guid>https://trid.trb.org/View/808879</guid>
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    <item>
      <title>Airport Owners Raise Red Flag on 'Green' Movement Lapse</title>
      <link>https://trid.trb.org/View/788392</link>
      <description><![CDATA[This article discusses the desire of airport operators to receive official environmentally sustainable ratings by the US federal government. Specifically, such ratings are already conducted through the U.S. Green Building Council under its Leadership in Energy and Environmental Design (LEED) program, which would, through the proposal by the airport operators in question, extend to non-building structures such as runways. Most of the weight for this proposal has been provided by the O’Hare International Airport in Chicago, as its $15.5 billion master plan incorporates advice from its Sustainable Design Manual, an incorporation that the airport hopes will warrant official designation. Some examples of rules that must be modified for airport structures include credit for distance from population centers as well as the use of light-emitting diodes (LED) in runway signalization.]]></description>
      <pubDate>Tue, 05 Sep 2006 07:48:51 GMT</pubDate>
      <guid>https://trid.trb.org/View/788392</guid>
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