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

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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

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Air QualityAir Quality

HabitatHabitat

Cultural ResourcesCultural Resources

Hazardous WasteHazardous Waste

NoiseNoise

SocioeconomicsSocioeconomics

VisualVisual

I-805/I-5 Corridor Study

September-October 2004 12

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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?

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I-805/I-5 South Corridor Study

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September- October 2004September- October 2004