Mitigation Monitoring and Reporting Program
Final Supplemental Environmental Impact Report 5-1
5 Mitigation Monitoring and Reporting
Program
CEQA requires that a reporting or monitoring program be adopted for the conditions of project approval that are necessary to mitigate or avoid significant effects on the environment (Public Resources Code 21081.6). This mitigation monitoring and reporting program is intended to track and ensure compliance with adopted mitigation measures during the project implementation phase. For each mitigation measure recommended in the Final Supplemental Environmental Impact Report (Final SEIR), specifications are made herein that identify the action required, the monitoring that must occur, and the agency or department responsible for oversight.
The following table lists mitigation measures from the SEIR, as well as relevant 2035 General Plan EIR mitigation measures, that are necessary to mitigate or avoid significant effects on the environment.
Exhibit C
City of San Leandro
Housing Element and General Plan Update
5-2
Mitigation Measure/
Condition of Approval Action Required Timing
Monitoring
Frequency
Responsible
Agency
Compliance
Verification
Initial
Compliance
Verification
Date
Compliance
Verification
Comments
Air Quality
AQ-2A. Preparation of Air Quality Technical Assessments Prior to issuance of construction permits,
development project applicants that are subject
to CEQA and exceed the screening sizes in the
Bay Area Air Quality Management District’s
(BAAQMD) CEQA Guidelines shall prepare and
submit to the City of San Leandro a technical
assessment evaluating potential air quality
impacts related to the project’s operation
phase. The evaluation shall be prepared in
conformance with the BAAQMD methodology
in assessing air quality impacts. If operationrelated criteria air pollutants are determined to have the potential to exceed the BAAQMD
thresholds of significance, as identified in
BAAQMD’s CEQA Guidelines, the City of San
Leandro Community Development Department
shall require that applicants for new
development projects incorporate mitigation
measures to reduce air pollutant emissions
during operation activities.
Development project applicants whose
projects are subject to CEQA and
exceed BAAQMD screening criteria
shall prepare and submit a technical
assessment which evaluates potential
air quality impacts related to the
project’s operation. The evaluation
shall be prepared in conformance with
BAAQMD methodology.
The technical
assessment shall
be submitted to
the City of San
Leandro prior to
the issuance of
construction
permits.
Not applicable City of San
Leandro
Community
Development
Department
AQ-2B-1. Implementation of BAAQMD Particulate Matter Control Measures As part of the City’s development approval
process, the City shall require applicants for
future development projects to comply with
the current Bay Area Air Quality Management
District’s basic control measures for reducing
construction emissions of particulate matter
(PM) 10 (Table 8-2, Basic Construction
Mitigation Measures Recommended for All
Proposed Projects, of the BAAQMD CEQA
Guidelines).
Development project applicants shall
ensure that future development
projects comply with BAAQMD’s basic
control measures for reducing
particulate matter construction
emissions.
BAAQMD
particulate
matter control
measures shall
be implemented
during project
construction.
Not applicable City of San
Leandro
Community
Development
Department
Mitigation Monitoring and Reporting Program
Final Supplemental Environmental Impact Report 5-3
Mitigation Measure/
Condition of Approval Action Required Timing
Monitoring
Frequency
Responsible
Agency
Compliance
Verification
Initial
Compliance
Verification
Date
Compliance
Verification
Comments
AQ-2B-2. Preparation of Air Quality Technical Assessments and Implementation of BAAQMD Mitigation Measures Prior to issuance of construction permits,
development project applicants that are subject
to CEQA and exceed the screening sizes in the
BAAQMD’s CEQA Guidelines shall prepare and
submit to the City of San Leandro a technical
assessment evaluating potential project
construction-related air quality impacts. The
evaluation shall be prepared in conformance
with the BAAQMD methodology in assessing air
quality impacts. If construction-related criteria
air pollutants are determined to have the
potential to exceed the BAAQMD thresholds of
significance, as identified in the BAAQMD CEQA
Guidelines, the City of San Leandro shall require
that applicants for new development projects
incorporate mitigation measures to reduce air
pollutant emissions during construction
activities to below these thresholds (Table 8-2,
Additional Construction Mitigation Measures
Recommended for Projects with Construction
Emissions Above the Threshold, of the
BAAQMD CEQA Guidelines, or applicable
construction mitigation measures subsequently
approved by BAAQMD). These identified
measures shall be incorporated into all
appropriate construction documents (e.g.,
construction management plans) submitted to
the City and shall be verified by the City’s
Engineering/Transportation Department,
Building and/or Planning Division, and/or
Community Development Department.
Development project applicants whose
projects are subject to CEQA and
exceed BAAQMD screening criteria
shall prepare and submit a technical
assessment which evaluates potential
air quality impacts related to the
project’s operation. The evaluation
shall be prepared in conformance with
BAAQMD methodology. If
construction-related criteria air
pollutants are determined to have the
potential to exceed the BAAQMD
thresholds of significance,
development project applicants shall
incorporate BAAQMD’s Additional
Construction Mitigation Measures
Recommended for Projects with
Construction Emissions Above the
Threshold or applicable construction
mitigation measures subsequently
approved by BAAQMD.
The technical
assessment shall
be submitted to
the City of San
Leandro prior to
the issuance of
construction
permits.
Mitigation
measures shall
be submitted to
the City and
verified by the
City.
Not applicable City of San
Leandro
Community
Development
Department
City of San Leandro
Housing Element and General Plan Update
5-4
Mitigation Measure/
Condition of Approval Action Required Timing
Monitoring
Frequency
Responsible
Agency
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Initial
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Comments
Noise
NOI-4 (Revised): Use of Noise Barriers in Residential Areas Erect temporary noise barriers, where feasible,
when construction noise is predicted to exceed
the acceptable standards (e.g., 80 A-Weighted
Decibel (dBA) Equivalent Continuous Noise
Level (Leq) at residential receptors during the
daytime) and when the anticipated
construction duration is greater than is typical
(e.g., two years or greater). Temporary noise
barriers shall be constructed with solid
materials (e.g., wood) with a density of at least
1.5 pounds per square foot with no gaps from
the ground to the top of the barrier. If a sound
blanket is used, barriers shall be constructed
with solid material with a density of at least 1
pound per square foot with no gaps from the
ground to the top of the barrier and be lined on
the construction side with acoustical blanket,
curtain or equivalent absorptive material rated
sound transmission class (STC) 32 or higher.
Temporary noise barriers, where
feasible, shall be erected when
construction noise is predicted to
exceed acceptable standards and
when the anticipated construction
duration is greater than two years.
Noise barriers shall conform with the
stated specifications.
Noise barriers
shall be erected
when
construction
noise is
predicted to
exceed
acceptable
standards and
when the
anticipated
construction
duration is
greater than
two years.
Not applicable City of San
Leandro
Community
Development
Department
Transportation
TRAF-1A: Intersections
The City of San Leandro should implement the
following traffic improvements and facilities to
reduce impacts to standard:
E. 14th Street and Davis Street (SR-112)
(#3). The addition of Cumulative with
proposed Plan traffic would cause the
intersection level of service (LOS) to
degrade from LOS C to LOS F in the AM peak
hour. Therefore, the Cumulative with
Proposed Plan impact is considered to be
significant.
Implementation of the following measures
would improve intersection operations
N/A
Mitigation Monitoring and Reporting Program
Final Supplemental Environmental Impact Report 5-5
Mitigation Measure/
Condition of Approval Action Required Timing
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during the AM peak hour to LOS D:
□ Add an additional northbound left-turn
lane on E. 14th Street. This would result
in the northbound approach having two
exclusive left-turn lanes, an exclusive
through lane, and a shared
through/right-turn lane.
Optimize the traffic signal cycle length and
splits in conjunction with adaptive traffic
control technology.
Because this intersection is within the East
14th Street Priority Development Area
(PDA), implementation of the following
measures would improve intersection
operations during the AM peak hour to LOS
E:
Implement proposed Policy T-5.2:
Evaluating Development Impacts.
Optimize the traffic signal cycle length and
splits in conjunction with adaptive traffic
control technology.
This mitigation is considered feasible if the
intersection was under City control.
However, this intersection is under
California Department of Transportation’s
(Caltrans’) jurisdiction, so the
implementation and timing of the
mitigation measures remain uncertain since
the intersection is not under the City’s
control. Consequently, the Cumulative with
proposed Plan impact remains significant
and unavoidable.
E. 14th Street and San Leandro Boulevard
(#4). The addition of Cumulative with
proposed Plan traffic would cause the
intersection level of service to degrade from
City of San Leandro
Housing Element and General Plan Update
5-6
Mitigation Measure/
Condition of Approval Action Required Timing
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LOS C to LOS E in the AM peak hour.
Therefore, the Cumulative with Proposed
Plan impact is considered to be significant.
Implementation of the following measure
would improve intersection operations
during the AM peak hour to LOS D:
□ Optimize the traffic signal cycle length
and splits in conjunction with adaptive
traffic control technology.
This intersection is within the Bay Fair BART
Transit Village PDA and Association of Bay
Area Governments (ABAG)/Metropolitan
Transportation Commission (MTC) has
already designated Bay Fair BART Transit
Village a potential PDA. Upon adoption of
the Bay Fair Transit Oriented Development
(TOD) Specific Plan, currently anticipated in
2017, Bay Fair will achieve official PDA
status. Since this intersection is currently in
a potential PDA area the degradation of
intersection operations from LOS C to LOS E
in the AM peak hour due to the addition of
Cumulative with Proposed Plan traffic
would not be considered a significant
impact under proposed Plan Policy T-5.2:
Evaluating Development Impacts.
Upon implementation of this measure,
intersection operations would improve to
LOS D during the AM peak hour. This
mitigation is considered feasible if the
intersection was under City control.
However, this intersection is under Caltrans’
jurisdiction, so the implementation and
timing of the mitigation measures remain
uncertain since the intersection is under
Caltrans’ jurisdiction. Consequently, the
Cumulative with proposed Plan impact
Mitigation Monitoring and Reporting Program
Final Supplemental Environmental Impact Report 5-7
Mitigation Measure/
Condition of Approval Action Required Timing
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remains significant and unavoidable.
E. 14th Street and Hesperian
Boulevard/Bancroft Avenue (#5). The
addition of Cumulative with proposed Plan
traffic would cause the intersection level of
service to degrade from LOS C to LOS E in
the AM peak hour. Therefore, the
Cumulative with Proposed Plan impact is
considered to be significant.
Implementation of the following measure
would improve intersection operations
during the AM peak hour:
□ Optimize the traffic signal cycle length
and splits in conjunction with adaptive
traffic control technology
This intersection is within the Bay Fair BART
Transit Village PDA and ABAG/MTC has
already designated Bay Fair BART Transit
Village a potential PDA. Upon adoption of
the Bay Fair TOD Specific Plan, currently
anticipated in 2017, Bay Fair will achieve
official PDA status. Since this intersection is
currently in a potential PDA area, the
degradation of intersection operations from
LOS C to LOS E in the AM peak hour due to
the addition of Cumulative with Proposed
Plan traffic would not be considered an
impact under proposed Plan Policy T-5.2:
Evaluating Development Impacts.
Upon implementation of this measure,
intersection operations would improve to
LOS D during the AM peak hour. This
mitigation is considered feasible if the
intersection was under City control.
However, this intersection is under Caltrans’
jurisdiction, so the implementation and
timing of the mitigation measures remain
City of San Leandro
Housing Element and General Plan Update
5-8
Mitigation Measure/
Condition of Approval Action Required Timing
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uncertain since the intersection is under
Caltrans’ jurisdiction.
Hesperian Boulevard and Halcyon
Drive/Fairmont Drive (#10). The addition of
Cumulative with proposed Plan traffic
would cause the intersection level of service
to degrade from LOS D to LOS F in the AM
peak hour and LOS D to LOS E in the PM
peak hour. Therefore, the Cumulative with
Proposed Plan impact is considered to be
significant.
Implementation of the following measures
would improve intersection operations
during the AM and PM peak hours to LOS D:
□ Widen the south leg of the intersection
in order to add a second northbound
left-turn lane. This would result in the
northbound approach having two
exclusive left-turn lanes, two exclusive
through lanes, and an exclusive rightturn lane.
□ Provide an overlap signal phase for the
northbound right turns.
□ Optimize the traffic signal cycle length
and splits in conjunction with adaptive
traffic control technology.
This intersection is within the Bay Fair BART
Transit Village PDA and ABAG/MTC has
already designated Bay Fair BART Transit
Village a potential PDA. Upon adoption of
the Bay Fair TOD Specific Plan, currently
anticipated in 2017, Bay Fair will achieve
official PDA status. Since this intersection is
currently in a potential PDA area, the
degradation of intersection operations from
LOS D to LOS E in the PM peak hour due to
Mitigation Monitoring and Reporting Program
Final Supplemental Environmental Impact Report 5-9
Mitigation Measure/
Condition of Approval Action Required Timing
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Frequency
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Agency
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Initial
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Comments
the addition of Cumulative with Proposed
Plan traffic would not be considered an
impact under proposed Plan Policy T-5.2:
Evaluating Development Impacts.
Implementation of the following measures,
which do not involve evaluation or
acquisition of right-of-way, would improve
intersection operations during the AM peak
hour to LOS E:
□ Implement proposed Policy T-5.2:
Evaluating Development Impacts.
□ Provide an overlap signal phase for the
northbound right turns.
□ Optimize the traffic signal cycle length
and splits in conjunction with adaptive
traffic control technology.
Upon implementation of the first three
measures, intersection operations would
improve to LOS D during the AM and PM
peak hours. The availability of right-of-way
for the required widening on the south leg
of the intersection is uncertain; therefore,
the measures may be infeasible.
Consequently, the Cumulative with
Proposed Plan impact remains significant
and unavoidable.
Washington Avenue and San Leandro
Boulevard (#15). The addition of
Cumulative with proposed Plan traffic
would cause the intersection level of service
to degrade from LOS C to LOS F in the AM
peak hour. Therefore, the Cumulative with
proposed Plan impact is considered to be
significant.
Implementation of the following measure
would improve intersection operations
during the AM peak hour to LOS D:
City of San Leandro
Housing Element and General Plan Update
5-10
Mitigation Measure/
Condition of Approval Action Required Timing
Monitoring
Frequency
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□ Optimize the traffic signal cycle length
and splits in conjunction with adaptive
traffic control technology.
Upon implementation of this measure,
intersection operations would improve to
LOS D during the AM peak hour and lessen
the Cumulative with Proposed Plan impact
to less than significant.
San Leandro Boulevard and Marina
Boulevard (#16). The addition of
Cumulative with Proposed Plan traffic
would cause the intersection level of service
to degrade from LOS D to LOS F in the AM
peak hour and LOS C to LOS F in the PM
peak hour. Therefore, the Cumulative with
Proposed Plan impact is considered to be
significant.
Implementation of the following measures
would improve intersection operations
during the AM and PM peak hours:
□ Add a northbound left-turn lane on San
Leandro Boulevard to provide two
exclusive left-turn lanes, one exclusive
through lane and one shared
through/right-turn lane. (Consistent
with the findings of the San Leandro
Shoreline Development Project EIR)
□ Restripe lanes on the west leg to
provide two corresponding receiving
lanes. (Consistent with the findings of
the San Leandro Shoreline Development
Project EIR)
□ Provide an exclusive southbound rightturn lane to feed the existing channelized right-turn lane from San
Leandro Boulevard southbound to
Mitigation Monitoring and Reporting Program
Final Supplemental Environmental Impact Report 5-11
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Marina Boulevard westbound so that
southbound through traffic does not
block access to the channelized
southbound right-turn lane.
□ Optimize the traffic signal cycle length
and splits in conjunction with adaptive
traffic control technology.
Upon implementation of these measures,
intersection operations would improve to
LOS D during the AM and PM peak hours.
The availability of right-of-way for the
required widening on the south and north
legs of the intersection is uncertain;
therefore, the measure may be infeasible.
Consequently, the Cumulative with
Proposed Plan impact remains significant
and unavoidable.
San Leandro Boulevard and Davis Street
(#17). The addition of Cumulative with
Proposed Plan traffic would cause the
intersection level of service to degrade from
LOS C to LOS F in the AM peak hour and LOS
C to LOS E in the PM peak hour. Therefore,
the Cumulative with Proposed Plan impact
is considered to be significant.
Implementation of the following measures
would improve intersection operations
during the AM and PM peak hours to LOS D:
□ Add a northbound right-turn lane on
San Leandro Boulevard to provide two
exclusive left-turn lanes, two exclusive
through lanes and one exclusive rightturn lane.
□ Optimize the traffic signal cycle length
and splits in conjunction with adaptive
traffic control technology.
City of San Leandro
Housing Element and General Plan Update
5-12
Mitigation Measure/
Condition of Approval Action Required Timing
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Because this intersection is within the
Downtown Transit Oriented Development
PDA, the degradation of intersection
operations from LOS C to LOS E in the PM
peak hour due to the addition of
Cumulative with Proposed Plan traffic
would not be considered an impact under
Proposed Plan Policy T-5.2: Evaluating
Development Impacts. Implementation of
the following measures, which do not
involve evaluation or acquisition of right-ofway, would improve intersection operations during the AM peak hour to LOS E:
□ Implement proposed Policy T-5.2:
Evaluating Development Impacts.
□ Optimize the traffic signal cycle length
and splits in conjunction with adaptive
traffic control technology.
Upon implementation of the first two
measures, intersection operations would
improve to LOS D during the AM and PM
peak hours. The availability of right-of-way
for the required widening on the south leg
of the intersection is uncertain; therefore,
the measure may be infeasible. This
intersection is under Caltrans’ jurisdiction,
and the implementation and timing of the
mitigation measures are not under the
City’s control. Consequently, the
Cumulative with proposed Plan impact
remains significant and unavoidable.
Philips Lane and Davis Street (#28). The
addition of Cumulative with Proposed Plan
traffic would cause the intersection level of
service to degrade from LOS C to LOS F in
the PM peak hour. Therefore, the
Mitigation Monitoring and Reporting Program
Final Supplemental Environmental Impact Report 5-13
Mitigation Measure/
Condition of Approval Action Required Timing
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Comments
Cumulative with Proposed Plan impact is
considered to be significant.
Implementation of the following measures
would improve intersection operations
during the PM peak hour:
□ Convert the existing shared
through/right-turn lane on the
westbound approach to an exclusive
through lane to provide an exclusive
left-turn lane, two exclusive through
lanes and an exclusive right-turn lane.
□ Optimize the traffic signal cycle length
and splits in conjunction with adaptive
traffic control technology.
Upon implementation of these measures,
intersection operations would improve to
LOS D during
the PM peak hour. This intersection is under
Caltrans’ jurisdiction, and the
implementation and timing of the
mitigation measures are not under the
City’s control. Consequently, the
Cumulative with Proposed Plan impact
remains significant and unavoidable.
Warden Avenue/Timothy Drive and Davis
Street (#29). The addition of Cumulative
with Proposed Plan traffic would cause the
intersection level of service to degrade from
LOS C to LOS E in the PM peak hour.
Therefore, the Cumulative with Proposed
Plan impact is considered to be significant.
Implementation of the following measures
would improve intersection operations
during the PM peak hour:
□ Restripe the three northbound lanes
from Timothy Drive to provide an
City of San Leandro
Housing Element and General Plan Update
5-14
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exclusive left-turn lane, a shared leftturn/through/right-turn lane and an exclusive right-turn lane.
□ Optimize the traffic signal cycle length
and splits in conjunction with adaptive
traffic control technology.
Upon implementation of these measures,
intersection operations would improve to
LOS D during the PM peak hour. This
intersection is under Caltrans’ jurisdiction,
and the implementation and timing of the
mitigation measures are not under the
City’s control. Consequently, the
Cumulative with Proposed Plan impact
remains significant and unavoidable.
Doolittle Drive and Davis Street (#30). The
addition of Cumulative with Proposed Plan
traffic would cause the intersection level of
service to degrade from LOS C to LOS F in
the PM peak hour. Therefore, the
Cumulative with Proposed Plan impact is
considered to be significant.
Implementation of the following measures
would improve intersection operations
during the PM peak hour:
□ Restripe the four westbound lanes from
Davis Street to provide one exclusive
left-turn lane, one exclusive through
lane and two exclusive right-turn lanes.
□ Restrict westbound right turns on red to
reduce conflict between right-turning
vehicles in the two exclusive right-turn
lanes as well as between right-turning
vehicles and movements with the rightof-way.
□ Optimize the traffic signal cycle length
Mitigation Monitoring and Reporting Program
Final Supplemental Environmental Impact Report 5-15
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and splits.
Upon implementation of these measures,
intersection operations would improve to
LOS D during the PM peak hour. Even if this
intersection was under City control, the
availability of right-of-way for the required
widening on the east leg of the intersection
is uncertain; therefore, the measure may be
infeasible. This intersection is under
Caltrans’ jurisdiction, and the
implementation and timing of the
mitigation measures are not under the
City’s control. Consequently, the
Cumulative with Proposed Plan impact
remains significant and unavoidable.
Doolittle Drive and Marina Boulevard
(#31). The addition of Cumulative with
Proposed Plan traffic would cause the
intersection level of service to degrade from
LOS C to LOS F in the AM peak hour and
from LOS D to LOS E in the PM peak hour.
Therefore, the Cumulative with Proposed
Plan impact is considered to be significant.
Implementation of the following measures
would improve intersection operations
during the AM and PM peak hours to LOS D
and lessen the Cumulative with Proposed
Plan impact to less than significant:
□ Restripe the eastbound approach on
Marina Boulevard to provide an
exclusive left-turn lane, an exclusive
through lane and a shared
through/right-turn lane. (Consistent
with the findings of the San Leandro
Shoreline Development Project EIR).
□ Optimize the traffic signal cycle length
and splits. (Consistent with the findings
City of San Leandro
Housing Element and General Plan Update
5-16
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of the San Leandro Shoreline
Development Project EIR).
□ Implement a right-turn overlap signal
phase for the northbound and
westbound approaches. (A new
mitigation not called for in the San
Leandro Shoreline Development Project
EIR).
Alvarado Street and Aladdin Avenue (#35).
The addition of Cumulative with Proposed
Plan traffic would cause the intersection
level of service to degrade from LOS D to
LOS F in the AM peak hour. Therefore, the
Cumulative with Proposed Plan impact is
considered to be significant.
Implementation of the following measures
would improve intersection operations
during the AM peak hour to LOS D and
lessen the proposed Plan impact to less
than significant:
□ Convert the left-turn signal phasing for
the eastbound and westbound
approaches on Aladdin Avenue from
protected left-turn signal phasing to
permitted left-turn signal phasing with
flashing yellow arrows.
□ Convert the northbound left-turn signal
phasing on Alvarado Avenue from
protected left-turn signal phasing to
protected/permitted left-turn signal
phasing with flashing yellow arrows.
□ Convert the southbound left-turn signal
phasing on Alvarado Avenue from
protected left-turn signal phasing to
permitted left-turn signal phasing with
flashing yellow arrows.
Mitigation Monitoring and Reporting Program
Final Supplemental Environmental Impact Report 5-17
Mitigation Measure/
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□ Optimize the traffic signal cycle length
and splits.
While implementation of Mitigation
Measure TRAF-1A would secure future
roadway and infrastructure improvements
that are necessary to mitigate impacts from
future development in the city based on
current standards, some impacts would
remain significant and unavoidable because
the City cannot guarantee improvements at
all of the impacted intersections.
TRAF-1B: Freeway Segments
The City of San Leandro shall initiate efforts to
coordinate with Caltrans and Alameda CTC to
identify
I-880 Northbound segments between
Washington Avenue and 98th Avenue.
These three mainline segments experience
LOS F conditions during the AM peak hour
under both existing and cumulative plus
Proposed Plan conditions.
Implementation of the following measure
would improve freeway segment operations
during the AM peak hour to LOS D or better
and lessen the proposed Plan impact to less
than significant:
□ Add additional capacity to the freeway
segment by increasing the number of
travel lanes in the northbound direction.
However, the implementation and timing of
the Mitigation Measure is not under the
City’s control and widening I-880 is not
considered to be feasible due to cost and
freeway right-of-way constraints.
Consequently, the Cumulative plus
N/A
City of San Leandro
Housing Element and General Plan Update
5-18
Mitigation Measure/
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Proposed Plan impact remains significant
and unavoidable.
I-580 Northbound segment between 150th
Avenue and Benedict Drive, which is at LOS
F during the AM peak hour under both
existing and cumulative plus Proposed Plan
conditions.
Implementation of the following measure
would improve freeway segment operations
during the AM peak hour to LOS D or better
and lessen the proposed Plan impact to less
than significant:
□ Add additional capacity to the freeway
segment by increasing the number of
travel lanes in the northbound direction.
However, the implementation and timing of
the Mitigation Measure is not under the
City’s control and widening I-880 is not
considered to be feasible due to cost and
freeway right-of-way constraints.
Consequently, the Cumulative plus
Proposed Plan impact remains significant
and unavoidable.
I-580 Northbound segment between
Foothill Boulevard and 106th Avenue, is at
LOS E during the AM peak hour under
existing and LOS F under cumulative plus
Proposed Plan conditions.
Implementation of the following measure
would improve freeway segment operations
during the AM peak hour to LOS D or better
and lessen the proposed Plan impact to less
than significant:
□ Add additional capacity to the freeway
segment by increasing the number of
travel lanes in the northbound direction.
Mitigation Monitoring and Reporting Program
Final Supplemental Environmental Impact Report 5-19
Mitigation Measure/
Condition of Approval Action Required Timing
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However, the implementation and timing of
the Mitigation Measure is not under the
City’s control and widening I-880 is not
considered to be feasible due to cost and
freeway right-of-way constraints.
Consequently, the Cumulative plus
Proposed Plan impact remains significant
and unavoidable.
I-880 Southbound segment between
Marina Boulevard and Washington Avenue
would operate at LOS F during the PM peak
hour under cumulative plus Proposed Plan
condition, which is considered to be
significant.
Implementation of the following measure
would improve freeway segment operations
during the AM peak hour to LOS D or better
and lessen the Proposed Plan impact to less
than significant:
□ Add additional capacity to the freeway
segment by increasing the number of
travel lanes in the southbound
direction.
However, the implementation and timing of
the Mitigation Measure is not under the
City’s control and widening I-880 is not
considered to be feasible due to cost and
freeway right-of-way constraints.
Consequently, the Cumulative plus
Proposed Plan impact remains significant
and unavoidable.
I-238 Eastbound segment between
Hesperian Boulevard and SR 185 would
operate at LOS E during the PM peak hour
under cumulative plus Proposed Plan
condition, which is considered to be
City of San Leandro
Housing Element and General Plan Update
5-20
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significant.
Implementation of the following measure
would improve freeway segment operations
during the AM peak hour to LOS D or better
and lessen the proposed Plan impact to less
than significant:
□ Add additional capacity to the freeway
segment by increasing the number of
travel lanes in the eastbound direction.
However, the implementation and timing of
the Mitigation Measure is not under the
City’s control and widening I-880 is not
considered to be feasible due to cost and
freeway right-of-way constraints.
Consequently, the Cumulative plus
Proposed Plan impact remains significant
and unavoidable.
All impacted freeway sections would require
additional capacity or widening to mitigate the
impacts to less than significant. If the widenings
are feasible, then future development
implementing the Proposed Plan would
contribute its fair share through development
fees for street improvements. To this end, the
City shall coordinate with Caltrans and the
Alameda County Transportation Commission
(CTC) to develop a co-operative agreement to
fund these improvements and determine the
fair share contribution.
TRAF-2A: Improvements
Implementation of the following improvement
would reduce the impact to acceptable levels:
Widen Doolittle Drive to provide an
additional travel lane in the northbound
direction; or
N/A
Mitigation Monitoring and Reporting Program
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Provide transit or shuttle service that
operates between the Proposed Plan site
and key locations such as San Leandro and
Coliseum BART stations and Oakland
International Airport.
Widening Doolittle Drive to provide an
additional travel lane in the northbound
direction would improve the level of service to
LOS D in Year 2040 and would mitigate the
Proposed Plan impact to less than significant.
However, the feasibility of this measure is
uncertain due to right of way constraints along
this mostly developed corridor.
Alternatively, provision of a shuttle service that
operates between the City site and key
locations, such as San Leandro and Coliseum
BART stations and Oakland International
Airport, during the AM and PM peak hour
would likely lessen the Proposed Plan’s impact
on the segment. However, the effectiveness of
the shuttle service in reducing the number of
Proposed Plan trips on Doolittle Drive cannot
be adequately quantified.
As discussed above, the ongoing I-880
Integrated Corridor Management effort led by
the MTC that aims to optimize freeway, arterial
signal, rail, and bus systems and incorporate
Intelligent Transportation System would also
help enhance efficiency on the freeway.
However, for the reasons listed above this
impact would remain significant and
unavoidable.
City of San Leandro
Housing Element and General Plan Update
5-22
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