sr 710 environmental study alternatives...

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SR 710 Environmental StudyAlternatives Analysis

Screen 2

Preliminary - Not for Distribution

AlternativesTransit Alternatives

Freeway Alternatives Highway Alternatives

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SR 710 Environmental StudyConceptual Engineering

Preliminary - Not for Distribution

TSM/TDM – Intersection Improvements20 Locations

Improvements include: widening, traffic signalupgrades, restriping, some minor ROW impacts,on-street parking impacts

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3

7 Locations

TSM/TDM – Local Street Improvements

Focus on short segments along arterialsImprovements include: widening, traffic signal upgrades, restriping, some minor ROW impacts, on-street parking impacts, remove median

Preliminary - Not for Distribution 5

Transportation System Management

Transit Enhancement

Active Transportation

6

Preliminary - Not for Distribution 6ITS Improvements

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BRTBRT-1

BRT-1

BRT-6/6A

BRT-6

BRT-6A

BRT-6/6A

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BRT-1

BRT-6

Atlantic near Sevilla Street

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5

LRTLRT-4A/4B

LRT-4DLRT-6

LRT-4A/4BLRT-6

LRT-4D

LRT-4ALRT-4B

Preliminary - Not for Distribution9

LRT-6

LRT-6

LRT-4D

LRT-4A/4B

LRT-4 Cal State LA Station

ExistingExistingBuswayStation

Preliminary - Not for Distribution

Proposed Cal State LA

Station

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6

LRT-4 Maintenance Yard

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FreewayInterchange: F-6

F-5

F-7

F-6

F-7

F-2

F-6

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Interchange: F-6

Interchange: F-6

Interchange: All

7

F-2 North Portal

13

F-5 North Portal

Preliminary - Not for Distribution13

F-6

8

F-7 South Portal

End Cut/Cover TunnelBegin TBMPORTAL LOCATION

Begin Cut/Cover Tunnel

Hel

lman

Ave

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F-7 North Portal

d d

Cal

iforn

ia B

lvd

Portal LocationEnd Cut/Cover Tunnel

Del

Mar

Blv

d

HuntingtonMemorialHospital

Pasadena Ave

Col

orad

o B

lvd

End TBMBegin Cut/Cover Tunnel

Gre

en S

t

Uni

on S

t

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9

Highway

H-6

H-2

H-6H-2

H-2

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H-2

H-6

H-6H-2

SR 710 Environmental StudyTransportation System Performance

Preliminary - Not for Distribution

10

AlternativesTransit Alternatives

Freeway Alternatives Highway Alternatives

19

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SR 710 Environmental StudyEnvironmental Evaluation

Preliminary - Not for Distribution

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MSATs – Percentage Change from No-Build

2.00%

1.50%

1.00%

0.50%

0.00%

-0.50%

BRT Alternatives

LRT Alternatives Freeway Alternatives Highway Alternatives

-1.00%

-1.50%

-2.00%

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Regional Criteria Pollutant –Percentage Change from No-Build

1.00%

0.50%

0.00%

-0.50%

-1 00%

BRT Alternatives

LRT Alternatives Freeway Alternatives Highway Alternatives

1.00%

-1.50%

-2.00%

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12

Greenhouse Gas Emissions –Percentage Change from No-Build

1.00%

BRT Alternatives

LRT Alternatives Freeway Alternatives Highway Alternatives0.50%

0.00%

-0.50%

-1 00%1.00%

-1.50%

-2.00%

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Sensitive Noise Receptors –Percentage Change from No-Build

6.0000Freeway Alternatives

5.0000

4.0000

3.0000

2.0000

BRT LRT Alternatives

Highway Alternatives

1.0000

0.0000

-1.0000

BRT Alternatives

LRT Alternatives

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13

Potential Property Acquisitions

700

600

Highway Alternatives

500

400

300

200BRT

Alternatives

LRT Alternatives

Freeway Alternatives

100

0

Business R/W acquisitions Residential R/W acquisitions

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1200

Properties > 45 Years Old

Highway Alternatives

1000

800

600

400 LRT Alternatives

Freeway Alternatives

400

200

0

BRT Alternatives

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14

20

Parks, Recreational, and Community Facilities Affected

Highway Alternatives

18

16

14

12

10

8

6

BRT Alternatives

LRT Alternatives Freeway Alternatives

6

4

2

0

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Evaluation Performance Summary

28

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15

BRT 6/6A has higher ridership than

BRT Alternatives

BRT-6/6A has higher ridership than BRT-1

BRT-6/6A has no right-of-way impacts (vs. 19 affected properties for BRT-1)

BRT-6/6A is a shorter route, so it is less 6/6 s a s o e ou e, so s essexpensive than BRT-1

BRT-6/6A is a natural complement to LRT-4

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LRT 6 has right of way impacts on 214

LRT Alternatives

LRT-6 has right-of-way impacts on 214 properties

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16

LRT 6 has right of way impacts on 214

LRT Alternatives

LRT-6 has right-of-way impacts on 214 properties

LRT-4D has right-of-way impacts on 103 properties

LRT-4A and LRT-4B have right-of-way a d a e g o ayimpacts on 50 to 55 properties

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Freeway/Highway Alternatives

H 2 and H 6 do not perform well againstH-2 and H-6 do not perform well against project need, and have substantial impacts

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17

H 2 and H 6 do not perform well against

Freeway/Highway Alternatives

H-2 and H-6 do not perform well against any project needs

F-2 and F-5 do not perform as well as F-6 and F-7 in addressing the project need

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H 2 and H 6 do not perform well against

Freeway/Highway Alternatives

H-2 and H-6 do not perform well against any project needs

F-2 and F-5 do not perform as well as F-6 and F-7 in addressing the project need

F-6 has right-of-way impacts on 476 6 as g o ay pac s o 6properties and more human environment impacts than F-7

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Hybrids

35

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Alternatives that Merit Further Study

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Summary of Results

Preliminary - Not for Distribution 37

Discussion

38

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