The document discusses potential funding plans for transportation improvements in Reston, Virginia. It outlines six options for allocating costs between public and private sectors, such as based on project location, traffic volumes, or project type. The total estimated cost is $2.589 billion. Next steps include seeking feedback, developing a funding framework, and establishing development contribution rates to fund improvements.

1. County of Fairfax, Virginia
Reston Funding Plan
Potential Cost Allocations
Reston Network Analysis & Funding Plan Advisory Group
February 22, 2016
Janet Nguyen
Fairfax County Department of Transportation

2. County of Fairfax, Virginia
Reston Funding Plan Projects
1. Reston Phase I Improvements (non-grid)
– Road transportation improvements1
(Overpasses, Underpass,
Interchange, Widenings, Extensions) to enhance connectivity
– Intersection improvements required for adequate traffic
operations
1. Grid of local streets in Reston TSA areas
– Enhance pedestrian and vehicular circulation in, around, and
through, station areas
Department of Transportation
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1
All roadways will be designed with pedestrian facilities. Many will also have bike facilities.

3. County of Fairfax, Virginia
Reston Funding Plan Projects
Department of Transportation
3
1
All roadways will be designed with pedestrian facilities. Many will also have bike facilities.
2
Signal costs updated.
Projects Recommended by Reston Phase I
Comprehensive Plan Amendment
Cost Estimate, $Billion
Reston Phase I Projects (non-grid)
• Road transportation improvements1
(Overpasses, Underpasses, Widenings,
Extensions, Interchanges)
$1.280
• Intersection improvements $0.065
Total Reston Phase I Projects (non-grid) $1.345
Grid Network2
$1.244
Funding Plan Total $2.589B

4. County of Fairfax, Virginia
Cost Allocation Models
• Option 1: Tysons Cost Allocation Model Applied to Reston
• Option 2: Location – Outside or Inside Reston TSAs
• Option 3: Through/Local Ratios
• Option 4: Location and Through/Local Ratios
• Option 5: Project Category
• Option 6: Regional vs. Local Significance
Department of Transportation
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5. County of Fairfax, Virginia
Option 1: Tysons Cost Allocation Model Applied to Reston
Department of Transportation
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Projects
Outside
Reston
TSAs
Projects
Outside
Reston
TSAs
Projects
Inside
Reston
TSAs
Projects
Inside
Reston
TSAs

6. County of Fairfax, Virginia
Option 1: Tysons Cost Allocation Model Applied to Reston
Department of Transportation
6
Applies the Tysons Cost Allocation
Model to the Reston Funding Plan.
Reston Phase I Outside of the Reston
TSAs would primarily be a public
responsibility. These are projects and
portions of projects that are outside of
the Reston Transit Station Areas (TSA)
(Herndon, Reston Town Center, and
Wiehle Reston East defined in the
Reston Phase I Comprehensive Plan
Amendment, Approved February 11,
2014)
Reston Phase I Inside of the Reston
TSAs would primarily be a private sector
responsibility. These are projects and
portions of projects inside the Reston
TSAs.
The grid is inside the Reston TSAs and
would be a private sector responsibility.
Project Estimate Allocation ($)
Reston Phase I Outside TSAs $421,000,000
Public Share 90% $378,900,000
Private Share 10% $42,100,000
Reston Phase I Inside TSAs $924,000,000
Public Share 10% $92,400,000
Private Share 90% $831,600,000
Grid $1,244,000,000
Public Share 0% $0
Private Share 100% $1,244,000,000
Total $2,589,000,000
Public Share 18% $471,300,000
Private Share 82% $2,117,700,000
Option 1: Tysons Cost Allocation Model Applied to Reston

7. County of Fairfax, Virginia
Option 2: Location – Outside or Inside Reston TSAs
Department of Transportation
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Allocates cost responsibility
based on location of
improvements.
Reston Phase I improvements
outside of the Reston TSAs
would be a public responsibility.
Reston Phase I improvements
located inside of the Reston
TSAs would be a private sector
responsibility.
The grid network would be a
private sector responsibility.
Project Estimate Allocation ($)
Reston Phase I Outside TSAs $421,000,000
Public Share 100% $421,000,000
Private Share 0% $0
Reston Phase I Inside TSAs $924,000,000
Public Share 0% $0
Private Share 100% $924,000,000
Grid $1,244,000,000
Public Share 0% $0
Private Share 100% $1,244,000,000
Total $2,589,000,000
Public Share 16% $421,000,000
Private Share 84% $2,168,000,000
Option 2: Location – Outside or Inside Reston TSAs

8. County of Fairfax, Virginia
Option 3: Through/Local Ratios
Department of Transportation
8
Allocates cost responsibility
based on the ratio of through and
local traffic volumes.
Through Traffic: 35%
Local Traffic: 65%
Public sector responsibility:
Through traffic (35%) and half of
locally generated traffic (32.5%).
Private sector responsibility:
Half of locally generated traffic
(32.5%) and the grid network.
Project Estimate Allocation ($)
Reston Phase I $1,345,000,000
Public Share (% Through) 35% $470,750,000
Public Share (% Local) 32.5% $437,125,000
Private Share (% Local) 32.5% $437,125,000
Grid $1,244,000,000
Public Share 0% $0
Private Share 100% $1,244,000,000
Total $2,589,000,000
Public Share 35% $907,875,000
Private Share 65% $1,681,125,000
Option 3: Through/Local Ratios

9. County of Fairfax, Virginia
Option 4: Location and Through/Local Ratios
Department of Transportation
9
Incorporates location and
through/local ratios.
Reston Phase I Projects Outside
of Reston TSAs: public sector
responsibility
Reston Phase I Projects Inside of
the Reston TSAs: shared public
and private sector responsibility
based on through/local traffic
ratios.
Grid network: private sector
responsibility.
Project Estimate Allocation ($)
Reston Phase I Outside TSAs $421,000,000
Public Share 100% $421,000,000
Private Share 0% $0
Reston Phase I Inside TSAs $924,000,000
Public Share (% Through) 35% $323,400,000
Public Share (% Local) 32.5% $300,300,000
Private Share (% Local) 32.5% $300,300,000
Grid $1,244,000,000
Public Share 0% $0
Private Share 100% $1,244,000,000
Total $2,589,000,000
Public Share 40% $1,044,700,000
Private Share 60% $1,544,300,000
Option 4: Location and Through/Local Ratios

10. County of Fairfax, Virginia
Option 5: Project Category
Department of Transportation
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Allocates costs on the basis of
project type.
Reston Phase I Roadway
projects would be a public sector
responsibility.
Reston Phase I Intersection
projects and the grid network
would be the responsibility of the
private sector.
Project Estimate Allocation ($)
Reston Phase I Roadways $1,280,000,000
Public Share 100% $1,280,000,000
Private Share 0% $0
Reston Phase I Intersections $65,000,000
Public Share 0% $0
Private Share 100% $65,000,000
Grid $1,244,000,000
Public Share 0% $0
Private Share 100% $1,244,000,000
Total $2,589,000,000
Public Share 49% $1,280,000,000
Private Share 51% $1,309,000,000
Option 5: Project Category

11. County of Fairfax, Virginia
Option 6: Regional vs. Local Significance
Department of Transportation
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Cost allocation based on
Regional or Local benefit and
significance.
Regional projects such as the
overpasses, underpass, and
interchange: public sector
responsibility.
Local projects and grid: private
sector responsibility.
Project Estimate Allocation ($)
Reston Phase I Regional $980,000,000
Public Share 100% $980,000,000
Private Share 0% $0
Reston Phase I Local $365,000,000
Public Share 0% $0
Private Share 100% $365,000,000
Grid $1,244,000,000
Public Share 0% $0
Private Share 100% $1,244,000,000
Total $2,589,000,000
Public Share 38% $980,000,000
Private Share 62% $1,609,000,000
Option 6: Regional vs. Local Significance

12. County of Fairfax, Virginia
Cost Allocation Options
• Discussion
Department of Transportation
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13. County of Fairfax, Virginia
Grid Contributions
Department of Transportation
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14. County of Fairfax, Virginia
In-Kind and Road Fund Contributions
Portions of the grid are expected to be constructed
with redevelopment (in-kind contributions) in the
following areas:
•Transit Station Mixed Use
•Residential Mixed Use
•Town Center North Mixed Use
The remaining portion of the grid is expected to be
constructed with contributions to a road fund.
Department of Transportation
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15. County of Fairfax, Virginia
Department of Transportation
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Reston Phase I Plan Amendment:
Conceptual Land Use

16. County of Fairfax, Virginia
Potential Grid Contributions
Department of Transportation
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Potential Grid Contributions
Grid estimate $1,244,000,000
Less: Expected in-kind contributions - 805,000,000
Road fund contributions required for
grid $439,000,000

17. County of Fairfax, Virginia
Road Fund
• Road fund revenues will be based on new residential
and commercial development.
• Developers will pay into road fund as redevelopment
occurs.
• Commercial rates are paid on a per square foot basis.
• Residential rates are paid on a per dwelling unit basis.
• When developing rates, the expected rate of
development, type of development and the balance
between near future and far future should be taken into
account.
Department of Transportation
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18. County of Fairfax, Virginia
Development Levels
Department of Transportation
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Reston TSA Comprehensive Plan Development Potential
Land Use
2010 Existing Land
Use
Development
Potential
New Development
(sq. ft.) (sq. ft.)
Residential
5,860,000
(5,860 Units)
52,800,000
(44,000 units)
46,940,000
(38,140 Units)
Office 20,982,169 29,700,000 8,717,831
Retail 1,094,476 2,100,000 1,005,524
Industrial 841,957 590,000 -251,957
Institutional 2,096,840 2,400,000 303,160
Hotel 936,782 4,900,000 3,963,218
Total 31,812,224 92,490,000 60,677,776
Total new
non-
residential
potential:
13,737,776
sq. ft.
Total new
residential
potential

19. County of Fairfax, Virginia
Contribution Rates
Board of Supervisors approved rate changes on
February 2, 2016.
Department of Transportation
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Fund Area
Non-Residential
Rate per Sq. Ft.
Residential Rate
per Dwelling Unit
Fairfax Center $5.94 $1,316
Centreville $6.38 $2,522
Tysons (Rezonings Prior to 2/1/2013) $4.37 $970
Tysons-Wide $5.90 $1,045
Tysons Grid of Streets $6.73 $1,045

20. County of Fairfax, Virginia
Private Sector Responsibility in the
Tysons Funding Plan
Department of Transportation
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21. County of Fairfax, Virginia
Tysons Private Sector Contributions
In-Kind Contributions
1. Tysons Grid of Streets In-Kind Contributions, $561 million
Fund(s) Contributions
1. Tysons Grid of Streets Fund*, $304 million
• Non-residential rate: $6.73 per sq. ft.
• Residential rate: $1,045 per dwelling unit
1. Tysons-Wide Fund*, $253 million (Tysons-Wide Improvements)
• Non-residential rate: $5.90 per sq. ft.
• Residential rate: $1,045 per dwelling unit
1. Tysons Service District, $253 million (Tysons-Wide Improvements)
• FY 2016 Rate: $0.06 per $100 assessed value on all properties in service district
*Tysons Grid of Streets Fund and Tysons-Wide Fund rates effective Feb. 3, 2016.
Department of Transportation
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22. County of Fairfax, Virginia
Next Steps
• Seek advisory group feedback on cost allocation options
and initial thoughts on development of contribution rates
• Develop framework for funding plan
• Outreach to stakeholders and public
• Revise plan based on feedback received and results
from Network Analysis
• Share proposed funding plan with Board Transportation
Committee
• Seek Board of Supervisors approval
Department of Transportation
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23. County of Fairfax, Virginia
Comments/Questions?
Department of Transportation
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24. County of Fairfax, Virginia
Contact Information
For questions and comments please contact:
Janet Nguyen
Janet.Nguyen@fairfaxcounty.gov
Ray Johnson
Carroll.Johnson@fairfaxcounty.gov