Post on 16-Aug-2020
Northwest CorridorLRT Line toIrving/DFW
SCOPING
March 10, 2005
NW to Irving/DFW Agenda:• Introductions• Project Development Process• Project Update
– Federal Involvement• Scoping• Project Schedule• Decisions• Next Steps
DART Project Development Process
2004 Public meetings– 1/21/04 (Project Introduction)– 4/28/04 (Corridor Alternatives)– 11/20/04 (Line Section Analysis)
System PlanningSystem Planning
Needs AssessmentNeeds Assessment SelectAlternative
SelectAlternative
Major InvestmentStudy
Major InvestmentStudy
19991999
ScopingMarch 10, 2005March 10, 2005
OngoingOngoing
PE /Environmental Documentation
PE /Environmental Documentation
2005-062005-06
Record ofDecision
Record ofDecision
20002000 Spring 2007Spring 2007
Final DesignFinal Design
ConstructionConstruction
OperationOperation
ApprovalsApprovals
Refine AlignmentRefine Alignment
PendingPending
20042004 2007-082007-08
2011-122011-12
2009-112009-11
NW to Irving/DFW
2000 MIS 2002 DFW Access Study
NW to Irving/DFWCorridor Analysis (4/28/04)•Alignment Length•Travel Time •Activity Centers•Station Population•Station Employment•Station Urbanization•Station Access•Station Needs•TOD Potential•Environmental Issues•Public/Agency Support•Capital Cost•Cost per Mile•ROW Acquisition•Number of Crossings•Design Complexity•SH 114 Access
I-2Las Colinas
I-1Urban Center
I-3Airport Access
to North
NorthNorth
CentralCentral
SouthSouth
to Centralto Central
to Southto South
to Northto North
Line Section Analysis (11/20/04) • Alignment Refinement• Potential Ridership• Constructability • Compatibility with Plans
Analysis to date: I-2 South Alignments Rated Highest
• Lowest Potential Ridership • Roadways/Development not
Conducive to Transit• Isolated Destinations• Some TOD Potential• Longest Route to DFW• Some Opposition
North (MIS Alignment)North (MIS Alignment)
• Good Ridership Potential• Dense Development• Limit TOD Potential• SH 114 Expansion Plans
– Limited ROW– Complex Design– Complex Access– Potential Displacement– Avoid SH 114 @ SH 161
SH 161
SH 114
CentralCentralNW to Irving/DFW
I-2I-2
• Highest Ridership Potential• Utilizes preserved rail ROW• Public/Agency Support• Shortest, Quickest Route to
DFW Property• Least Complex• Good Transit Destinations• High TOD Potential
Preserved ROW
SouthSouth
NW to Irving/DFW Pending Actions:• Ridership Modeling
– Compare Alternatives– Determine Parking
Requirements & Bus activity• Staff Recommendation• DART Board Action
– System Plan Amendment
Future Actions:• Environmental Process• Service Plan Amendment
– Alignment, Stations, Grade Separations
– Public Hearing
I-2
NW to Irving/DFW
“13th Station
I-3DFW Access Issues:• Engineering Issues
– Perimeter Taxiways– Roadway Crossings– Pedestrian Ways– APM– Tail track
• Operational Inefficiencies– Atypical Terminus
• No System Expansion • Other Rail Modes• 13th Station Interface
– Uncertain Operations
Northwest Corridor to Irving/DFWDFW Access Options– To North to 13th Station– To South to 13th Station– To South to DFW North (East) [Dash]– To South to DFW North (West)– To Central (Tunnel) to 13th Station– To South Surface to Terminal F – To South Tunnel to Terminal F [DASH]
TerminalF
13th
Station
DFW North
I-1/I-2I-3
Consider Project PhasingConsider Project Phasing
Northwest Corridor to Irving/DFWI-1 & I-2 Line Section
North Lake
Hidden Ridge North UC
South UC
Beltline
U of D
NW
to Farmers B
ranch/Carrollton
California Crossing (future)
Federal Agency ParticipationUSCOEFTA (Limited Involvement)FAA (Briefed 1/10/05)
DFW
Trinity
River
NW to Irving/DFW
North Lake
Hidden Ridge
North UC
South UC
Beltline
U of D
California Crossing (future)
DFW
FAA Issues:• FAA to coordinate all DFW Rail Access• EIS required for airport property use
– Includes I-1/I-2 Phase• FAA: Lead Agency in Local Funded EIS
–Review entire corridor–FAA must select the consultant to
conduct the EIS (Significant Delays)
Northwest Corridor to Irving/DFWFAA Recommendation :
TerminalF
13th
Station
DFW North
• Concur with Project Phasing Concept:– Phase 1: To Irving– Phase 2: To DFW
• Terminate the Irving Phase prior to DFW– North Lake College as temporary
terminus
Phase 1: To Irving I-1/I-2Phase 2: To DFW I-3
NW to Irving/DFW
North Lake
Hidden Ridge
North UC
South UC
Beltline
U of D
California Crossing (future)
DFW
Phase 2:To DFW I-3
Phase 1:To Irving I-1/I-2
FAA Recommendation Issues:• North Lake Station As Terminus
–Access–Parking
(Beltline better choice as terminus)
NW to Irving/DFW February 23, DFW Access
Coordination meeting
North Lake
Hidden Ridge
North UC
South UC
Beltline
U of D
California Crossing (future)
DFW
Phase 2:To DFW I-3
Phase 1:To Irving I-1/I-2
TerminalF
13th
Station
DFW NorthDARTThe-TDCTAFTAFAANCTCOGDFW
NW to Irving/DFW
February 23, DFW AccessCoordination meeting
All Rail Access to DFW will be coordinated with a Federal EIS
• LRT & Commuter Rail
TerminalF
13th
Station
DFW North
North Lake
Hidden Ridge North UC
South UC
U of D
NW
to Farmers B
ranch/Carrollton
California Crossing (future)
DFWPhase 1:To Irving I-1/I-2
Phase I can be extended to Beltline:• Federal Fund portion of project• Conduct Federal EIS
– FTA - Lead agency– FAA - Co-Lead or Cooperating Agency
• Beltline Station must serve any DFW access option
Federalizing Project:• Adds considerable process
–Official Notifications–Official Review
• Extends length of study butmay not impact overall schedule
NW to Irving/DFW
Northwest Corridor to Irving/DFWStaff Recommendation(Pending Ridership Modeling)
North Lake
Hidden Ridge North UC
South UC
U of D
NW
to Farmers B
ranch/Carrollton
California Crossing (future)
DFW
Phase 1:To Irving I-1/I-2
NW to Irving/DFW Scoping:• Receive Early Public/Agency Input
– Purpose & Need– Alternatives– Significant Issues– Agency Coordination– Opportunities for Public Involvement
NW to Irving/DFWScoping: Purpose & Need
DFW Access StudyTo provide a seamless, customer sensitive, affordable, clearly achievable rail interfacebetween the regional rail system and the DFW International Airport Central Terminal Area.
NW MISServe General NW-SE Travel Pattern
–Enhance Mobility–Provide Additional Capacity–Reduce Congestion–Enhance Quality/Reliability of Transit–Improve Safety & Operating Efficiency–Strengthen Economic Conditions
NW to Irving/DFW Scoping: Alternatives
TerminalF
13th
Station
DFW North
NorthNorth
CentralCentral
SouthSouthto Centralto Central
to Southto South
to Northto North
• I-1/I-2 Alignment– South? Central? North?
• Project Phasing– Terminus
• Station Locations• I-3:DFW Access
North Lake
Hidden Ridge
North UC
South UC
U of D
California Crossing (future)
DFW SouthSouth
Scoping:Significant Issues
Environmental Topics Included in EIS
NW to Irving/DFW
• Hydrology• Water Quality• Safety & Security• Construction Impacts• Cultural/Historic
Resources• 4(f) Parklands• Environmental Justice
• Land Use• Air Quality• Noise/Vibration• Visual & Aesthetic
Resources• Wetlands• Aquatic Habitat• Wildlife
Northwest Corridor to Irving/DFWScoping: Significant Issues
NW
to Farmers B
ranch/Carrollton
DFW
Trinity
River
SPECIFIC ISSUES1. Trinity River Crossing2. Levee3. Las Colinas APM4. Campion Trail5. Residential Adjacency6. DFW Airport7. ????
1
23
45
6
Northwest Corridor to Irving/DFWScoping: Agency Coordination
NW
to Farmers B
ranch/Carrollton
DFW
Trinity
River
FEDERALFTAFAAUSACOEFHWAEPA
LOCALThe-TDCTACity of IrvingCity of DallasDCURD
STATETxDOTTHCTR&W
RegionalDFWIANCTCOG
NW to Irving/DFWScoping: Public Involvement
• Public Meetings• ICAC• Special Briefings
– Elected Officials– Homeowner’s Associations– Boards (DCCCD, DFWIA, RTC)– Organizations (Chambers, Schools, etc)
• Newsletter – Quarterly• Web Site – www.dart.org
– Newsletters– Presentations– Documents
NW to Irving/DFWProject Schedule
2005 2006 2007 2008 2009 2010 2011 2012
PE/EA, I - 1 & 2 Line Sections
PE/EA, I - 3 Line Section
FD, I - 1 Line Section
FD, I - 2 Line Section
FD, Irving - 3 Line Section
Const., I - 1 & 2 Line Sections
Const., I - 3 Line Section
Rev. Ops., I - 1 & 2 Line Sections
Rev. Ops., I - 3 Line Section
To Be Determined
To Be Determined
YearWork Program
Current Project Implementation Schedule - Irving/DFW LRT Corridor
To Be Determined
To Be Determined
NW to Irving/DFWDecisions
• Final Alignment– Phasing
• Station Locations– Parking, Buses, Access
• Grade Separations• Environmental Impacts
– Mitigation
NW to Irving/DFWNext Steps:
• Ridership Modeling• Agency Scoping Meeting• Staff Recommendation to Board
– Project Phasing– I-1/I-2 Alignment– System Plan Amendment
• Environmental Documentation• Develop I-3 Implementation Schedule• Service Plan Amendment
– Alignment, Station Locations, Grade Separations
02000400060008000
10000120001400016000
Station 6 Station 5 Station 4
2000 Station Area Activity*
NCS
NW to Irving/DFW
I-2
0
5000
10000
15000
20000
25000
Station 6 Station 5 Station 4
2030 Station Area Activity*
NCS
*Includes Population,Employment and Students(1/2 Mile Radius)
0
5000
10000
15000
North Central South
2000 Station 5 Activity Mix*
StudentsEmpPop
NW to Irving/DFW
I-2
0
5000
10000
15000
20000
25000
North Central South
2030 Station 5 Activity Mix*
StudentsEmpPop
*1/2 Mile radius
NW to Irving/DFW
South to South• Highest Rated Alternative• Shortest, fastest surface
alignment to 13th Station• Lowest Cost• Least Complex• Lower potential to impact
SH 114 Traffic
South to North• Second Rated Alternative• 1.8 miles longer than to South
+ Time (2.25 minutes)+ Money ($50M/mile)
• Greater complexity• Greater potential to impact
SH 114 Traffic
DFW Tunnel Alternative (South to Central)• Short and Direct• Expensive and Complex• Recommendation: Defer
Tunnel Consideration
13th
Station
I-3
NW to Irving/DFWI-3 (DFW Access)
LRT
13th Station
Multi-Modal Station
Commuter Rail
South to South Through DFW to Multi-Modal Station (West)• Addresses Operational Issues
• Less Complex Engineering• Advantages to DFW, DART and Region
• No Direct Commuter Rail Service to DFW
• Rejected by The T and NCTCOG
NW to Irving/DFWI-3 (DFW Access)
Analysis
Perimeter Taxiway Challenges:
1. Vertical Clearance• LRT North• LRT South• Commuter Rail
2. Limited ROW• LRT North
2
1
1Commuter Rail
LRT
LRT
1
NW to Irving/DFWI-3 (DFW Access)
Analysis
Perimeter Taxiway Challenges:
1. Vertical Clearance• LRT North• LRT South• Commuter Rail
2. Limited ROW• LRT North
Com. Rail
LRT
LRT
NW to Irving/DFWI-3 (DFW Access)
Analysis
Perimeter Taxiway Challenges:
1. Vertical Clearance• LRT North• LRT South• Commuter Rail
2. Limited ROW• LRT North
2
1
Commuter Rail
LRT
LRT
NW to Irving/DFWPerimeter TaxiwayOriginal Configuration:• Cross over SH 114
– 16.5’ Clearance– Up to 1.9% Grade
• Pass under Taxiway– 22’ Clearance– Up to 1.8% Grade
New Configuration (500’shift)• Cross over SH 114
– 16.5’ Clearance– Up to 4.0% Grade
• Pass under Taxiway– 22’ Clearance– Up to 5.0 % Grade
Commuter Rail
LRT
LRT
NW toIrving/DFW
I-3
Possible Solutions:• Move Taxiway• Reduce Airport Roads• Single Track• Move SH 114• Tunnel/Aerial LRT• South Alternative
13th Station
Hulen
Addison
$21.0 M
$26.6 M $9.0 MAnnual Operating CostScenario 1
Total Annual O&M = $56.6 M
13th Station
Hulen
Addison
$21.0 M
$9.0 M
Total Annual O&M = $30.0 M
13th Station
Hulen
Addison
$26.6 M $1.9 M (LRT)
Scenario 2 Scenario 3
Total Annual O&M = $28.5 M