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I-805/I-5 Corridor Study
September-October 2004 1
1
September- October 2004September- October 2004
A million new residents by 2030
A half million new jobsA half million new jobs2
I-805/I-5 Corridor Study
September-October 2004 2
0%50%
100%150%
200%250%
1980 1985 1990 1995 2000 2030
Pe
rce
nt
Ch
an
ge
sin
ce 1
98
0
VMT Population Employment
Growth in Travel, Population &Employment
3
2030MobilityNetwork
I-805/I-5 Corridor Study
September-October 2004 3
I-805/I-5 South CorridorStudy Area
5
Study Organization
Caltrans and SANDAG technical andCaltrans and SANDAG technical andmanagement staffmanagement staff
II--805/I805/I--5 Corridor Study Technical5 Corridor Study TechnicalWorking GroupWorking Group
SANDAG’s Transportation CommitteeSANDAG’s Transportation Committee
6
I-805/I-5 Corridor Study
September-October 2004 4
Corridor Study Purpose
Identify multimodalIdentify multimodaltransportation improvementstransportation improvementsin the study area to enhancein the study area to enhancethe mobility of people andthe mobility of people andfreight for freight for corridorwidecorridorwide trips.trips.
7
Corridor Study ObjectivesMove people and goodsMove people and goods
Provide travel choicesProvide travel choices
Sustain current travel times in mixedSustain current travel times in mixed--use lanesuse lanes
Support transit and carpool travel timesSupport transit and carpool travel timesto major job centers competitive with driving aloneto major job centers competitive with driving alone
Achieve 10% mode share for transit andAchieve 10% mode share for transit and12% for carpools for work trips at peak periods12% for carpools for work trips at peak periods
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I-805/I-5 Corridor Study
September-October 2004 5
Transportation Alternatives
Evaluated 8 MultiEvaluated 8 Multi--Modal AlternativesModal Alternatives
Different Levels ofDifferent Levels ofRegional Transit ServicesRegional Transit Services
Different Levels of Highway ImprovementsDifferent Levels of Highway Improvements
Types of Highway Improvements:Types of Highway Improvements:HOV Lanes, Managed Lanes,HOV Lanes, Managed Lanes,Toll Lanes, MixedToll Lanes, Mixed--Flow LanesFlow Lanes
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Alternatives Recommendedfor Further Study
Alternative 1:No Build
Alternative 3:MOBILITY 2030 Transit and Highway
Alternative 5:Enhanced Transit - MOBILITY 2030 Highway
Alternative 6:MOBILITY 2030 Transit - Enhanced Highway
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I-805/I-5 Corridor Study
September-October 2004 6
Alternative 1:No Build
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Alternative 3:Mobility 2030Transit and Highway
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I-805/I-5 Corridor Study
September-October 2004 7
Alternative 5:EnhancedTransit -Mobility 2030Highway
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Alternative 6:Mobility 2030Transit –EnhancedHighway
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I-805/I-5 Corridor Study
September-October 2004 8
I-5 South Projected Traffic
15
0
50
100
150
200
250
300
I-805 SR 905 SR 75 SR 54
Dai
ly T
raff
ic (i
n th
ou
san
ds)
2003 2030
I-805 Projected Traffic
16
0
50
100
150
200
250
300
SR 90
5SR
54 I-8SR
52
I-5 m
erge
Dai
ly T
raff
ic (
in T
ho
usa
nd
s)
2003 2030
I-805/I-5 Corridor Study
September-October 2004 9
Performance Measures
Congestion reliefCongestion relief
Work trips by carpool, transit & bike/walkWork trips by carpool, transit & bike/walk
Homes & jobs served by transitHomes & jobs served by transit
Potential environmental constraintsPotential environmental constraints
Preliminary capital & operating cost estimatesPreliminary capital & operating cost estimates
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Congestion Relief
23
4 5 5
31
7 6
29
1
0
10
20
30
40
50
60
2000 Current Alternative 1 NoBuild
Alternative 3MOBILITY 2030
Transit & Highway
Alternative 5Enhanced Transit &
MOBILITY 2030Highway
Alternative 6MOBILITY 2030
Transit & EnhancedHighway
Lan
e M
iles
at L
OS
F
I-5 I-805
+ + ++
18
1
I-805/I-5 Corridor Study
September-October 2004 10
19
Work Trips: Carpool, Transit & Bike/Walk
11.4%
11.9%
11.6%
11.4%
11.6%
7.2%
7.5%
10.7%
12.9%
10.7%
3.2%
2.5%
2.4%
2.3%
2.4%
0% 5% 10% 15% 20% 25% 30%
2000 Current
Alternative 1 No Build
Alternative 3 MOBILITY 2030Transit & Highway
Alternative 5 EnhancedTransit & MOBILITY 2030
Highway
Alternative 6 MOBILITY 2030Transit & Enhanced Highway
Carpool Transit Bike/Walk
+
++
+
20
Journey to Work by Transit(2000 Census)
24.9
11.59.4
2.0
9.5
3.4 2.74.7
0.0
5.0
10.0
15.0
20.0
25.0
30.0
New Yo
rk
Chicag
o
SF Ba
y Area
Washin
gton-B
altimore
Greater
Los A
ngele
sSa
n Dieg
o
Sacra
mento
Phoe
nix
Per
cen
t
I-805/I-5 Corridor Study
September-October 2004 11
21
Homes & Jobs Served by Transit
26,500
161,780 161,780
191,770
32,260
0
50,000
100,000
150,000
200,000
2000 Current Alternative 1 NoBuild
Alternative 3MOBILITY 2030
Transit &Highway
Alternative 5Enhanced Transit& MOBILITY 2030
Highway
Alternative 6MOBILITY 2030
Transit &EnhancedHighway
Nu
mb
er o
f Ho
mes
& J
ob
s w
ithin
1/4
mile
of t
ran
sit +
+++
Environmental Constraints Analysis
22
Air QualityAir Quality
HabitatHabitat
Cultural ResourcesCultural Resources
Hazardous WasteHazardous Waste
NoiseNoise
SocioeconomicsSocioeconomics
VisualVisual
I-805/I-5 Corridor Study
September-October 2004 12
23
Preliminary Cost Estimates
$0
$2
$4
$6
$8
$10
Alternative 3 MOBILITY 2030Transit & Highway
Alternative 5 Enhanced Transit &MOBILITY 2030 Highway
Alternative 6 MOBILITY 2030Transit & Enhanced Highway
Co
st (
in b
illi
on
s)
Capital O & M
Low High Medium
$6.4
$8.0
$9.1
Preliminary Findings
Alternative 3: Good performance in Alternative 3: Good performance in congestion relief, transit mode share, congestion relief, transit mode share, homes & jobs served by transit, lowest homes & jobs served by transit, lowest costcost
Alternative 5: Best performance in transit Alternative 5: Best performance in transit mode share, homes & jobs served by mode share, homes & jobs served by transit, highest costtransit, highest cost
Alternative 6: Best performance in Alternative 6: Best performance in congestion relief, medium costcongestion relief, medium cost
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I-805/I-5 Corridor Study
September-October 2004 13
Preliminary Findings (Continued)
Refine Alternative 3Refine Alternative 3
Additional highway improvements from Additional highway improvements from Alternative 6Alternative 6
Additional regional transit services from Additional regional transit services from Alternative 5Alternative 5
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Next Steps
Public Outreach Public Outreach -- Sept./Oct. 2004Sept./Oct. 2004
Finalize evaluation of alternatives Finalize evaluation of alternatives ––Oct./Nov. 2004Oct./Nov. 2004
Staff and Technical Working Group Staff and Technical Working Group recommend a corridor improvement recommend a corridor improvement strategystrategy –– Nov./Dec. 2004Nov./Dec. 2004
SANDAG’s Transportation Committee SANDAG’s Transportation Committee ––Dec. 2004/Jan. 2005Dec. 2004/Jan. 2005
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I-805/I-5 Corridor Study
September-October 2004 14
Questions?
27
I-805/I-5 South Corridor Study
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September- October 2004September- October 2004
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