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The Foundation and Future of

Sustainable Roadways

From Windows Live Local

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Sustainability

Goal Sustain economic prosperity and a high quality of life for all while protecting the natural systems of the planet.

Key Components•Economic•Environmental•Social

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We tend to care more

about “green” and

“sustainability” today.

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In business, sustainability affects

the bottom line.

Why?1. Energy & material costs 2. Because customers care

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Therefore, corporations care.KPMG International Survey of Corporate Responsibility (2005)

Companies Report Sustainability52% of the top 250 companies of the Fortune 500 issue annual corporate responsibility (sustainability) reports.

Why?

Recent Climate Change Observations

(over last 160 years)

Graphics from Climate Change 2007: The Physical Science Basis. Summary for Policymakers. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. (February 2007)

Environmentally,Warming of the

climate system is unequivocal…

Explanations of Climate Change(over last 107 years)

Quote from Climate Change 2007: The Physical Science Basis. Summary for Policymakers. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. (February 2007)

Graphics from Pachauri and Jallow, Climate Change 2007: The Physical Science Basis. A 6 Feb 2007 presentation in Nairobi, Kenya.

…and, with “very high confidence”, we know

humans have contributed to this

warming.

All Factors

Just Solar and Volcanic

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We use lots of raw materials.Information from the United States

$24 billion1,350 million tonsTotal

$1 billion10 million tonsCement

$13 billion40 million tonsAsphalt

$10 billion1,300 million tonsVirgin aggregate

Cost per YearAmount per YearIndividual materials

In general In pavements

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Socially, we are driven to improve.

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We already grade ourselves on sustainable

practices in many different fields.

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Other industries, notably the building industry,

have had success promoting sustainability.

LEED certification standards– New Commercial Construction and Major Renovation Projects

– Multiple Buildings and On-Campus Building Projects

– Existing Building Operations and Maintenance

– Commercial Interiors Projects

– Core and Shell Development Projects

– Homes

– Neighborhood Development

– Schools

LEED (Leadership in Energy and Environmental Design)A “…nationally accepted benchmark for the design, construction, and operation of high performance green buildings. LEED gives building owners and operators the tools they need to have an immediate and measurable impact on their buildings’ performance.”

-U.S. Green Building Council

LEED for new construction buildings

Distributionby geography

1-1920-4950-99100-199200+

9 4

91111

69

125

2582

4028 14

8

134

186480

22

23

57

19

66

18

73

10222

11

19

12079

11936

52

74

95

173

17433105

61 2712

9 (DE) 38 (DC)

23 (DE)

24 (NH)

5 (OK)

4

68AK=10HI=16PR=1

as of 07/06

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There is a strong case for sustainable practices in

transportation making a big difference.

2007 Little Green Data Book (World Bank)

Residential21%

Commercial18%

Industrial32%

Transportation29%

2006 U.S. Energy Use

Transportation Energy Data Book (U.S. DOE)

Transportation20%

Other11%

Electricity & Heat36%

Agriculture8%

Other Fuel Combustion

13%

Manufacturing& Construction

12%

2000 CO2 Emissions by SourceIndustrialized Countries

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More specifically, sustainable choices in transportation

construction can make a big difference.

2006 Non-Residential Construction Spending from the U.S. Census Bureau

$18 billion

$55 billion

$76 billion

$40 billion

$86 billion

$8 billion

$8 billion

$18 billion

$22 billion

$39 billion

$27 billion

$72 billion

$23 billion

$15 billion

$5 billion

$34 billion

$0 $10 $20 $30 $40 $50 $60 $70 $80 $90 $100

Lodging

Office

Commercial

Health care

Educational

Religious

Public safety

Amusement and recreation

Communication

Power

Transportation

Highway and street

Sewage and waste disposal

Water supply

Conservation and development

Manufacturing

Construction Put-in-Place (billions of dollars)

$100 billion

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The industry has begun to take note.

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Everyone can make a contribution to

sustainability…including universities and academics.

• Incorporating sustainability into education

• Development and testing

• Verifying function and use

• Systems for use

picture of warm mix at NCAT?picture of porous asphalt experimentpictures from RMRC?

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The last decade has produced a relative abundance of

sustainable ideas in transportation and, specifically, in

HMA pavements.

• Context sensitive design

• Certified materials

• Porous pavements

• Quite pavements

• Recycled materials

• Cool pavements

• Non-motorized access

• Reduced congestion

• Improved safety

• Construction waste management

• Life cycle assessment

• Biofuels

• Low-sulfur diesel

• Stormwater treatment

• Visual quality

Prin

gle

Cre

ek, O

R

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1. We need some means to organize our

sustainability efforts.

Green Roads is a rating system designed to distinguish high-performance sustainable new or redesigned/rehabilitated roads.

It awards credits for approved sustainable choices/practices and can be used to certify projects based on point value.

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2. Whether we realize it or not, sustainability is a

strategic direction for agencies, consultants,

contractors and suppliers.

Source: ENR (24 Sep 2007). The Mainstreaming of Green Building (Tulacz, G.J.) and Top Green Contractors, ENR

Top 50 Green Contractors•$8.96 billion in revenue from green projects •Green is 15.3% of top 50’s total revenue •All top 50 greens are in top 400 contractors list

US Green Building Council•2001 membership: 500•2006 membership: 10,000

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3. Nothing short of action

puts us on the map.

Source: ENR (24 Sep 2007)The Mainstreaming of Green Building (Tulacz, G.J.) Glenwood Canyon, CO

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