los angeles union station alternatives analysis january 7, 2010
DESCRIPTION
Board Presentation. Los Angeles Union Station Alternatives Analysis January 7, 2010. Program EIR/EIS Designs. Program EIR/EIS completed in 2005 Large number of Union Station options examined: Existing Union Station LA River East Union Station South (Through) Cornfield Site LA River West - PowerPoint PPT PresentationTRANSCRIPT
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California High-Speed Train Project
Los Angeles Union Station Alternatives Analysis
January 7, 2010
Board Presentation
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California High-Speed Train Project
Program EIR/EIS Designs
Existing Union Station L.A. River East Union Station South (Through)
• Program EIR/EIS completed in 2005
• Large number of Union Station options examined:– Existing Union Station– LA River East– Union Station South (Through)– Cornfield Site– LA River West– Union Station South (Stub)
• Selected Option:– Existing Union Station
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California High-Speed Train Project
Project EIR/EIS
• Focused Project EIR/EIS started in 2007• Began by once again looking at large number
of station options, including:– Union Station (Aerial and Tunnel)– Vignes Street (Aerial)– West Bank of LA River (At-Grade / Trench)
• 3 options advanced to Alternatives Analysis– Union Station Aerial– Union Station Deep Tunnel– West Bank of LA River
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California High-Speed Train Project
Union Station – AA Options
Los AngelesUnion Station
City of LA Piper Technology Center
Metro Regional Rebuild Center
Metro Red Line Yard
Current Metrolink /Amtrak Alignment
Proposed LAUSRun-Through Tracks
Aerial / Deep Tunnel Options in HST Station Options Above / Below LAUS
At-Grade Option into WestBank HST Station Option
Los Angeles – PalmdaleAlignment Alternatives
County Jail Complex
Metro Gateway Bldg.
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California High-Speed Train Project
LAUS Design Options
Aerial HST Station
West Bank HST Station
Deep Tunnel HST Station
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California High-Speed Train Project
LAUS Design Options
West Bank HST Station
Aerial HST Station• Community Issues to north /
south of LAUS• Focus on connections to existing
transit lines (Amtrak, Metrolink, Metro)
• Railroad operations issues
Eliminated:Property / Community Impacts
Deep Tunnel HST Station
Eliminated:Constructability
HST Station Concept
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California High-Speed Train Project
Union Station – South Approach
• South Approach to Union Station has evolved through Study:– Program EIR/EIS
Alignment (2005)– 5% Design (2007)– 10% Design (2008)– 15% Design (2009)
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California High-Speed Train Project
CHSTP – 15% Design at LAUSMetro Regional Rebuild Center
County Jail Complex
Piper Tech Center
Metro Headquarters Building
Maintenance Facility
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California High-Speed Train Project
Page 9
• On 10-29-09, LA Metro staff sent PB four possible LAUS platform and track alignments for further evaluation, including two “Vignes Street” alignment options and two re-aligned LAUS elevated track/platform options
• In November 2009, the Authority agreed to include an alternate LAUS HST station alignment option in the DEIR/EIS
• A 12-02-09 LA City Council resolution requested the Authority to study more than one potential site for the HST station and include a “Vignes Street” alignment
City of LA and Metro Requests
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California High-Speed Train Project
City of LA / Metro Working Group
• Four concepts submitted by City of LA/Metro for review:– Vignes Street (South)– Vignes Street (North)– Union Station (Skewed)– Union Station (Tight Curve)
• City and Metro requested the Authority to determine the optimum alternative considering impacts to existing structures & County Jail rebuild plans
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California High-Speed Train Project
Union Station (Skewed Options)
• Positives:– Shorter distance to LA River
Corridor
• Negatives:– Structural support of skewed
platforms– Conflicts with Metro Gold Line– Tighter curves to north of station
• Conclusion: Skewed options are not viable
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California High-Speed Train Project
Vignes Street (South)
• Positives:– Shorter distance to LA River Corridor– Fewer construction impacts to existing
Union Station tracks
• Negatives:– Impacts to Metro headquarters, Metro
Maintenance Facility, LA County Jail– Tighter curves to north of station– Longer connections to Metro Rail,
Metrolink, Amtrak
– Complex bridge design over US-101
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California High-Speed Train Project
Vignes Street (North)
• Positives:– Shorter distance to LA River Corridor– Fewer construction impacts to existing
Union Station tracks
• Negatives:– Impacts to Metro headquarters,
Maintenance Facility, LA County Jail– Tighter curves to north of station– Longer connections to Metro Rail,
Metrolink, Amtrak
• LA-A Project Team refined both “Vignes” Concept Designs – Option 1 and Option 2
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California High-Speed Train Project
Vignes Street Design Option #1
Metro Regional Rebuild Center
County Jail Complex
Piper Tech Center
Metro Headquarters BuildingMaintenance
Facility
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California High-Speed Train Project
Vignes Street Design Option #2
Metro Regional Rebuild Center
County Jail Complex
Piper Tech Center
Metro Headquarters Building
Maintenance Facility
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California High-Speed Train Project
Staff Recommendations
• Vignes Design Option #1 appears to have fewer impacts than Option #2 and is therefore recommended to be added and evaluated through the DEIR/EIS as a design alternative
• Further refine/evaluate 15% Design Aerial LAUS Option to minimize impacts to Arts District (Design Option #3)
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California High-Speed Train Project
Union Station (Tighter Curves)
• Positives:– Fewer impacts south of
US-101
• Negatives:– Lower Operating Speeds
• Potential modification to 2009 design is similar to this concept but has acceptable curve radii and operating speeds but crosses above 1st Street Bridge
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California High-Speed Train Project
Union Station Design Option #3
Metro Regional Rebuild Center
County Jail Complex
Piper Tech Center
Metro Headquarters Building
Maintenance Facility
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California High-Speed Train Project
Next Steps
• Advance/evaluate LAUS Design Options:– Further evaluate Vignes Street Design Option #1– Further evaluate Design Option #3 (Aerial LAUS Option
with tighter curves to minimize impacts to Arts District)
• Revise/issue Administrative Draft EIR/EIS – Spring 2010 incorporating the two “best” LAUS HST Station alternatives