Staff Briefing: Puget Sound Gateway · 2016-12-29 · 2015-2017 $58m $235m $335m $302m $313m $300m...
Transcript of Staff Briefing: Puget Sound Gateway · 2016-12-29 · 2015-2017 $58m $235m $335m $302m $313m $300m...
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Staff Briefing:
Puget Sound Gateway
January 3, 2017
Date of Meeting: January 3, 2017Item No. 6B
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Briefing Purpose
• Prepare for the January 11, 2017 Executive Committee
meeting
• Executive Committee meeting agenda
• Review updated analysis results
• Endorse preliminary preferred scenario
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Puget Sound
Gateway Program
Includes SR 509 and SR 167
Benefits:
• Improves regional mobility and
relieves congestion on local roads
and freeways
• Completes critical freight links
between the North and South
Harbors
• Supports regional job and
economic growth
• Supports master land use and
economic development plans
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Key Questions
1. How many lanes are included on SR 167 and SR 509?
2. What level of tolling is considered?
3. How are lanes managed?
4. What degree of forward compatibility should be
included in the design?
5. Degree of potential impact to I-5?
6. Where are connections most important?
7. How is south access to the airport accommodated?
(SR 509)
8. How is access to the Port of Tacoma best
accommodated? (SR 167)
Pro
gram
Le
vel
Pro
ject
Leve
l
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SR 167 Scenario Comparison
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Legend:
Scenario 2C
Scenario 2D
Scenario 4A
Cost:
$1,065 m
$1,045 m
$1,512 m
Shared components ($ incl.)
Additional common items: $180 m
Differences at interchanges:
• 54th
• I-5
• Valley
• Meridian
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SR 167 Performance Evaluation Results
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SR 509 Scenario
Comparison
Legend:
Scenario 3A
Scenario 4A
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Cost:
$921 m
$1,095 m
Shared Components ($ incl.)
Differences:
• Interchanges at 188th, 200th,
SR-516
• Auxiliary lanes
• 2nd toll point
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SR 509 Performance Evaluation Results
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Key Takeaways
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SR 167:
• Scenarios 2C & 2D operate well, slightly better NB I-5
performance with 2C, slightly better SB I-5 performance with 2D
• Need further analysis to understand best overall performance
between the two scenarios
• Scenario 4A operates well but is cost prohibitive
SR 509:
• Scenarios 3A and 4A function and ratesimilarly
• Scenario 4A is cost prohibitive
I-5
• NB I-5 improvements will be carried forward for further analysis
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Current Funding and Cost Estimates
with Additional Project Elements
$1.5b
$1.0b
$0.5b
$0.0b
Total Gateway $2bFunding$1.875b
2C/3A
Total ConnectingWashington Funding$1.57b
4A/4A
$2.607b$2.5b
2D/3A
(SR 167/SR 509)
$28m$203m$1.989b
ForwardCompatibility
Other potential elements:167 NB Aux. Lane (+$120m) 509 NB Aux. Lane (+$33m) 509 NB 2-Lane C/D ($50m)
$28m$203m$1.969b
$28m
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Gateway Funding
2017-2019
2019-2021
2021-2023
2023-2025 2025-2027 2027-2029
2029-2031
$70m
$180m
Local Funding
Toll Funding
Connecting WA
$2.5m2015-2017 $58m $235m $335m $302m $313m $300m $20m
$60m
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TOTAL $2.5m $58m $305m $395m $302m $313m $300m $200m
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Preliminary Gateway Construction Staging
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Discussion
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