how does transportation and network planning address network planning address greenhouse gas...
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How does transportation and How does transportation and network planning address network planning address
greenhouse gas emissions?greenhouse gas emissions?
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How Does Land Use Affect How Does Land Use Affect Transport?Transport? The Five DThe Five D’’ss
►►DensityDensity –– population and employment ratiospopulation and employment ratios►►DiversityDiversity
Ratio of Housing to JobsRatio of Housing to JobsDemographics that tend to be dependant on transit Demographics that tend to be dependant on transit (age, income, available vehicles)(age, income, available vehicles)
►►DesignDesign –– completeness and connectivity of completeness and connectivity of local pedestrian network (local pedestrian network (walkablewalkable places)places)
►►DestinationsDestinations –– Accessibility to regional Accessibility to regional activity centers.activity centers.
►►DistanceDistance –– areas near transitareas near transit
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How do you affect GHG with How do you affect GHG with Land Use?Land Use?
Theory:Theory:
►►Good Land Use reduces VMTGood Land Use reduces VMT►►With VMT you have lower fuel consumptionWith VMT you have lower fuel consumption►►Lower Fuel Consumption = Lower Fuel Consumption =
Lower Carbon EmissionsLower Carbon Emissions►►Not Necessarily!Not Necessarily!
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Issues to ConsiderIssues to Consider
►►How much benefit can you get?How much benefit can you get?►►Are there diminishing returns?Are there diminishing returns?►►Are there other positives?Are there other positives?►►Are there some negatives?Are there some negatives?
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SB 375 Conceptual Land Use Scenario
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CA Climate Change LegislationThe Global Warming Solutions Act of 2006: Assembly Bill 32
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California AB 32 Adopted Green House Gas Reduction Estimates by Measures
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Anticipating the Target
• Statewide reduction5 million metric tons through land use and transportation planning by 2020
• Estimated SCAG portion 2.5 million metric tons
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Adding local transit quadrupled the top priority areas from 123,000 acres to 534,000 acresThis lowered densities while maintaining transit efficiency
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Conceptual Land Use Scenario • Maintains city and county forecasts for housing and jobs• Focuses growth around transit corridors and stations• Focuses new development in areas with planned capacity
-1.8MMT
-2.6MMT
-2.4MMT
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Superstition Vistas Location
Apache Junction
Florence
Queen Creek
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-
50,000
100,000
150,000
200,000
250,000
300,000
350,000
SF Det SF Att MF SF Det SF Att MF
Year 2000 Vision 2030
Owner Renter Year 2000
43%
57%
Modeling the ScenariosModeling the Scenarios
Transportation AnalysisRoadway Impact
Ridership
Market ConstraintsDevelopment ProgramCommercial Demand
Housing Needs
Land Use ScenarioDevelopment
Vision 2030
52%
48%
Sustainability Urban Design
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Building Types
Building TypesPrototype buildings are created using the ROI Model.
Development TypesGroups of building types are combined to form Development Types. Example: The Main Street development type has mixed-use buildings, townhomes and apartments.
Scenario DevelopmentScenarios are created by applying the Development Types to the landscape using the Scenario Builder.
Evaluation
The Scenario Spreadsheet allows you to examine a whole host of indicators about your scenario.
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Building Energy Use
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Lincoln Institute For Land Policy
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Superstition Vistas Scenario Report
September 2009
A Sustainable Community for the 21st
Century
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Scenario AShown with the transportation network and existing surrounding plans
Scenario A
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What Life Could Be Like in Scenario A
North
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Scenario DShown with the transportation network and existing surrounding plans
Scenario D
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What Life Could Be Like in Scenario D
North
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Land Developed (Acres)
111,24695,014
63,964
45,000
0
20,000
40,000
60,000
80,000
100,000
120,000
A B C D
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Vehicle Miles Traveled (VMT)
Scenario
A
Scenario
B
Scenario
C
Scenario
D
0
2,000,000
4,000,000
6,000,000
8,000,000
10,000,000
12,000,000
14,000,000
16,000,000
18,000,000
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Trip Counts –
Walk & Bike
Scenario
A
Scenario
B
Scenario
C
Scenario
D
0
200,000
400,000
600,000
800,000
1,000,000
1,200,000
1,400,000
1,600,000
1,800,000
2,000,000
11%
17%
19%
19%
0% 5% 10% 15% 20%Sce
nario A
Scenario
B
Scenario
C
Scenario
D
Percent of Trips
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Daily Transit Ridership
0
50,000
100,000
150,000
200,000
250,000
300,000
350,000
400,000
450,000
Scenario
A
Scenario
B
Scenario
C
Scenario
D
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Transportation Emissions (CO2) Tons of CO2 per Year
0
500,000
1,000,000
1,500,000
2,000,000
2,500,000
3,000,000
Scenar
io A
Scenar
io B
Scenar
io C
Scenar
io D
Fleet 1: 22.5 MPG, 0%Electric
Fleet 4: 60 MPG, 20%Electric or RenewableFuel
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Building Emissions (CO2) Annual CO2 (ton/yr)
0
1,000,000
2,000,000
3,000,000
4,000,000
5,000,000
6,000,000
7,000,000
Scenario
A
Scenario
B
Scenario
C
Scenario
D
BaselineBest
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Total Carbon Footprint (Building and Transportation Emissions)
01,000,0002,000,0003,000,0004,000,0005,000,0006,000,0007,000,0008,000,0009,000,000
10,000,000
Scenario
A
Scenario
B
Scenario
C
Scenario
D
BaselineBest
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Homes for a Changing Region
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The Original Homes for a Changing Region Report
• Presented regional housing forecast for 2030
• Forecast a mismatch between supply and demand
• Provided specific recommendations for creating more housing options
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Building Prototype Modeling
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Carbon Footprint by Prototype
Carbon Footprint (in Tons of Annual CO2 Emissions Per Unit)
-
5
10
15
20
25
2-STORY SINGLE FAMILY 2-STORY TOWNHOUSE 3-STORY MULTIFAMILY 5-STORY MIXED-USE 8-STORY MULTIFAMILY
Tons
of C
O2
Standard Good Better
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Plainfield Will County Governmental League
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Plainfield – Carbon Footprint
Annual Carbon Footprint of Build-Out Alternatives (in tons of CO2)
211,322
130,695
106,457
-
50,000
100,000
150,000
200,000
250,000
Trend w ith Standard Buildings Balanced w ith Standard Buildings Balanced w ith Better Buildings
38% reduction
50% reduction
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Density Does Not Always Lead to Density Does Not Always Lead to Lower Carbon FootprintLower Carbon Footprint
0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
Chicag
o, IL
Miami, F
L
Redon
do Bea
ch, C
A
Portlan
d, OR
Phoen
ix, AZ
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Comparing trip to workComparing trip to work
Redondo BeachRedondo Beach PortlandPortland
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Good Place to do DensityGood Place to do DensityExample:Zupans
Grocery store in
Portland, Oregon
Was the original redevelopment project in an up-and-coming neighborhood
It served as an anchor and catalyst for additional housing projects
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NOT a good place to do densityNOT a good place to do density
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Transit has a Carbon FootprintTransit has a Carbon Footprint
►►Transit has a Carbon FootprintTransit has a Carbon Footprint
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Fuel type, efficiency, and passenger load Fuel type, efficiency, and passenger load are critical in determining carbon benefitare critical in determining carbon benefit Transit must improve its carbon footprintTransit must improve its carbon footprint
5 miles per gallon
10 passengers
50 miles per gallon
1 passenger
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Cultural differences account for Cultural differences account for some of the problemsome of the problem
Germany vs. USGermany vs. US
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Germany vs. USGermany vs. US
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ConclusionsConclusions►►
Land use helps reduce carbonLand use helps reduce carbon
But it is small contributionBut it is small contribution
Top concerns are vehicles, fuels, electricity generation, buildiTop concerns are vehicles, fuels, electricity generation, building ng technologytechnology
►►
Increasing density DOES NOT reduce carbon emissions!!!Increasing density DOES NOT reduce carbon emissions!!!
Design is more importantDesign is more important
►►
The better cars and buildings get, the less benefit from The better cars and buildings get, the less benefit from land use designland use design
►►
Land use had carbon benefits outside vehiclesLand use had carbon benefits outside vehicles
Better count it! We need all we can get! Better count it! We need all we can get!
Water consumption has a carbon effect tooWater consumption has a carbon effect too
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Yes, it has a lower carbon footprint, Yes, it has a lower carbon footprint, but primarily, itbut primarily, it’’s more s more liveableliveable!!