Transportation, Sustainability, and Urbanization · Level of Service . Congestion . Travel Time ....
Transcript of Transportation, Sustainability, and Urbanization · Level of Service . Congestion . Travel Time ....
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Transportation, Sustainability, and Urbanization
Jason Zheng Norman W. Garrick Carol Atkinson-Palombo Chris McCahill September 2011
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Transportation Index for Sustainable Places (TISP)
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“What gets measured,
gets managed”
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Mobility Aspect of Transportation
Level of Service Congestion Travel Time
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Bigger Picture of Transportation
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Canadian Centre for Sustainable Transport (CST)
European Commission on Sustainable Development
Transportation Sustainability
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Environment
Society
Economy
Transportation Sustainability
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Resource Consumption
Ecological Systems
Land Use
Pollution
Health & Safety
Community Input
Social Equity
Accessibility
Affordability
Resiliency Efficient Mobility
Finance Equity
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Environmental Elements
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1. Minimize consumption of renewable and non-renewable resources for transportation
2. Transportation and placemaking system is designed to maximize land use efficiency
3. Minimize transportation and placemaking system’s impact on ecological systems
4. Limit transportation related wastes and pollution
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Social Elements
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5. Transportation meets access needs while consistent with human health and safety
6. Planning and management of transportation incorporates government and community input
7. Transportation and placemaking system promote social equity
8. Transportation and placemaking system meets basic access needs of all individuals
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Economic Elements
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9. Transportation is affordable for individuals
10.Transportation is financed in an equitable manner
11.Transportation provides efficient movement of people and goods for economic growth
12.Transportation is resilient to economic fluctuations
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World Commission on Environment and Development (WCED), 1987
"Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.”
Principles of Equity (Graham Haughton)
Defines sustainability as equity issues between groups of people
Green & Brown Environmental Agendas
Defines sustainability with perspective for direct, indirect, short-term, and long-term issues
Sustainability
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Sustainability
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Environment
Economy Society
Environment
Society
Economy
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Economic Elements State Wide Scale (1997-2007)
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Affordability
AK 22%
MT 38%
D.C. 23%
NY 23%
CT 23% MA 23%
WY 38%
KY 38%
AL 38%
% of household income spent on transportation
Median HH Income Annual Expenditure
on Cars/Transit
Mississippi $37,000 $16,500
Connecticut $64,000 $14,500
MS 44%
Related to Accessibility
Measure Cost of Car Ownership, Car Use, and Transit Use
Compare to Median Household Income
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Equitably Financed
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VA $96
MI $112
NV $111
AZ $110
CA $103
federal funding per capita ($/capita)
MT $333
WY $437
AK $612
ND $361
SD $302
Equity is a topic throughout all the Social, Environmental, & Economic Elements
For the economic perspective, look at Federal Funding
Combined FHWA & FTA funding per capita
(multi-year average)
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Efficient Mobility (part 1)
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AK $5.9
D.C. $20
NY $6.9
CT $5.6 MA $5.6
current level of GDP per VMT ($/miles)
WY $2.2
AL $2.2
OK $2.2
WV $2.2
MS $1.6
Costs of travel are
Monetary and Non-monetary
Two Parts to this Element
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Efficient Mobility (part 2)
CA +28%
NY +25%
SC +28% ID +29%
OR +41%
growth rate of GDP per VMT
AK -8%
MS -17%
MI -9%
HI -6%
LA -4%
1997 GDP/VMT 2007 GDP/VMT
Mississippi $2 $1.6
Oregon $3 $4
Compares Vehicle Growth to Economic Growth
Relationship Between VMT & GDP
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Resiliency
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D.C. 0.4%
NY 2%
CT 3% MA 3%
DE 3%
MT 7%
WY 7%
ND 6%
KY 6%
fuel expenditure as % of GDP
GDP (nominal dollars, billions)
Total Expenditure Petroleum (billions)
Mississippi $92 $7
D.C. $92 $0.3
MS 7%
Congestion and Disruption in Transportation Networks
Impact of Rising Fuel Prices on Travel
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Overall Scores (Element 9-12 Combined)
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Sustainability does not mean “no growth” In our study, the higher scoring states generally exhibit lower VMT growth and greater GDP growth
Sustainability & Economic Growth
State VMT Growth
('97-'07) GDP Growth
('97-'07) Oregon 8% 51% Illinois 8% 21% District of Columbia 9% 33% Mississippi 37% 14% Arizona 45% 66% Florida 54% 48%
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Urbanization & Mode Share
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Urbanization assessed as density and percentage of state population living in
Central Cities, Small Towns, Suburbs, & Rural Areas
Low Density Rural-Suburban Low Density Mixed
Medium Density Suburban High Density Suburban-Urban
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Overall Scores (Element 9-12 Combined) Low Density Rural-Suburban
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Low Density Mixed
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Medium Density Suburban
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High Density Suburban-Urban
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Urban Form & Mode Share
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Low Density Rural-Suburban
Low Density Mixed
Medium Density Suburban
High Density Suburban-Urban
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Urban Form & Mode Share
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Low Density Rural-Suburban
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Urban Form & Mode Share
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Low Density Mixed
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Urban Form & Mode Share
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Medium Density Suburban
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Urban Form & Mode Share
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High Density Suburban-Urban
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Conclusions Performance of transportation systems goes beyond
measurements of automobility
Environment
Society
Economy
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Conclusions Urbanization is a factor
Both rural states and urban states can be sustainable
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Conclusions In general, we find that the most affordable, efficient,
equitable, and resilient states are those that tend to be more urban and have diverse transportation options.