Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue I-80 San Pablo Dam Road – Phase 2
Status Update
Hisham Noeimi, P.E.
Director, Programming
CCTA
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue 2 Project Timeline
2004 – Voters Passed Measure J, Included funding for this Project 2006 – Project Initiated
2010 – Environmental Document Approved
2011 – Project Design Started
2012 – Project Split into Two Phases after 65% Design Completed 2015 – Phase 1 Construction Started
2018 – Phase 1 Construction Completed
2023 – CCTA secured funding for design and ROW for Phase 2 2024 – Phase 2 Design and ROW work started
2027 – Design and R/W Completion
2028 – Phase 2 Construction Start (Pending Funding)
2030 – Phase 2 Construction Complete
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue Agreements between CCTA and City of San Pablo
3 • June 16,2006: Cooperative Agreement No. 07W.01 signed to complete the Environmental Document
– March 19, 2008: Amendment No. 1 expanded the scope-of-services to include Right-of-Way
– March 17,2010: Amendment No. 2 waived the City's contribution of $250,000 in local funds
– May 18, 2011: Amendment No. 3 expanded the scope-of-services to include 35% design plans
– May 21, 2012: Amendment No. 4 advanced the scope of work beyond 35% design plans and included a contribution of $3 million in City local funds – April 17, 2019: Amendment No. 5 updated the project cost and reimbursed the City $10,000 to maintain a vacant property reserved for Phase 2 of the Project. • December 20, 2023: Cooperative Agreement No. 07W.08 signed to continue work on Phase 2 through closeout.
– December 19, 2025: Amendment No. 1 secured City’s contribution of $220,000 to complete the design and Right-of-Way phases.
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue 4 Project Phasing Map
Phase 1 - Construction
Completed in 2018
Phase 2 - 100% PS&E
in Progress
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue 5 Congestion on SPDR,
Spillover Impacts
EB Traffic near Denny’s
WB Traffic at Amador St
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue Height of SPDR OC (14’-8” Clearance)
6 Safety Issues
WB I-80
Standard Clearance = 16’-6”
14’-8”
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue Narrow/No Shoulders
7 Safety Issues
EB I-80 SPDR OC
Narrow
Shoulder
No Shoulder
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue Narrow/No Sidewalks
8 Safety Issues
SPDR OC Amador St
Narrow Sidewalk
(Width = 4’-0”)
Standard Sidewalk Width = 6’-0” (Minimum)
No Sidewalk
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue 9 Safety Issues
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue Short Weaving Distance Between SPDR & McBryde Ave
10 Safety Issues
Weaving Distance ~ 1,000’
From SPDR On-Ramp
To WB I-80 to San Francisco
To McBryde Ave
From WB I-80
McBryde Ave
To San Francisco
Off-Ramp On-Ramp
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue No Left Turn Allowed onto Amador St
11 Access Issues
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue I-80 San Pablo Dam Rd – Phase 2
McBryde Ave Traffic
Exit at SPDR
12 Safer Access to
McBryde Ave
McBryde Ave
Connector Road
Reduce
Accident
Rates
Eliminate Unsafe
Weaving ConflictImproved Traffic
Operations on I-80
McBryde Ave
Connector Road
To San Francisco
Amador St
McBryde Ave
Amador St
Denny’s
I-80 San Pablo Dam Rd – Phase 2
13 Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue 14 Typical Section - SPDR OC
I-80 San Pablo Dam Rd – Phase 2
15 San Pablo Dam Road Interchange Improvements
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue 16 Typical Section - SPDR OC
Cast-in-Place Prestressed Concrete Box Girder
(Cast High and Lowered into Place)
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue 17 Typical Section – Wildcat Creek Bridge
Precast/Prestressed Concrete I-Girder
(Lowered into Place via Crane)
(No Falsework Required in the Creek)
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue Utility Impacts
18 EBMUD
o Remove/Replace 20ft of 12” Water Main on Riverside Ave o Two Fire Hydrants and Adjust to Grade - Water Valve and Meter Boxes PG&E (Gas)
o 4” Gas Line Relocation on Riverside Ave and SPDR
PG&E (Electrical)
o 3 – 12kV Overhead (Joint Pole) – Relocation of five poles West County Wastewater District
o 8” Sanitary Sewer Line relocation on New SPDR OC
AT&T
o Underground Telephone Line relocation on New SPDR OC
o Adjust Four Manholes to Grade
o Aerial Telephone Line Relocation (with PG&E Joint Pole) Comcast
o Aerial Cable Line Relocation (with PG&E Joint Pole)
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue Utility Relocation and Estimate
19 Project Obligation Cost: $2.03 Million
Utility Company Obligation Cost: $4.16 Million
Total Utility Relocation Cost: $6.18 Millon
Conflict ID Utility Owner Utility Type Size and/or Material Recommended Action or Resolution Responsible Party Liability QTY Unit Unit Cost Total Cost Utility Owner Obligation
Project
Obligation
2348.1 PG&E Electric 3-12kV Overhead (JP with
AT&T Comcast)
Relocate Joint Poles (5 poles in State R/W and 3
poles in City R/W) CCTA/PG&E 60/40, PG&E to provide
Liability 8 Pole $ 400,000 $ 3,199,998 $ 1,919,999 $ 1,279,999 PG&E Gas 4" Gas at Riverside Extend casing and relocate with a straight alignment to avoid a jog within the State R/W. CCTA/PG&E 50/50, PG&E to provide Liability 80 LF $ 2,500 $ 200,000 $ 100,000 $ 100,000 PG&E Gas 4" Gas at SPDR Relocate 4" gas in a new OC bridge structure. PG&E 100% PG&E, PG&E to provide Liability 500 LF $ 1,200 $ 600,000 $ 600,000 12" Water at Riverside Remove/Replace 20ft of water main EBMUD 100% EBMUD 20 LF $ 1,250 $ 25,000 $ 25,000 FH and Valve/Meter Box
Adjustments
Relocate two FHs and adjust various valve/meter
boxes EBMUD 100% EBMUD 22 EA $ 30,727 $ 676,000 $ 676,000 UG Telephone Relocate UG telephone in a new OC bridge
structure. AT&T 100% AT&T, AT&T to
provide Liability 560 LF $ 500 $ 280,000 $ 280,000 Aerial Telephone (JP with
PG&E and Comcast)
Relocate Aerial telephone in joint poles (3 poles in
State R/W and 3 poles in City R/W) CCTA/AT&T 50/50, AT&T to provide Liability 6 Pole $ 50,000 $ 300,000 $ 150,000 $ 150,000 Adjust 4 Telephone
Manholes to grade Adjust to grade CCTA/AT&T 50/50, AT&T to provide Liability 4 EA $ 2,500 $ 10,000 $ 5,000 $ 5,000 2096.05 Comcast Cable TV Aerial Cable TV (JP with
PG&E and AT&T) Relocate Aerial Cable TV in joint poles Comcast 100%, Comcast to provide Liability 8 Pole $ 50,000 $ 400,000 $ 400,000 $ - 2096.06 WCWD Gravity Sewer 6" CIP Relocate 6" Sewer lines in a new OC bridge structure. CCTA 100% Project 981 LF $ 500 $ 490,500 $ 490,500 TOTAL $6,181,498 4,155,999$ 2,025,499$
Utility Owner Cost Project Cost
2096.02
2096.04 AT&T Telephone
2096.03 EBMUD Water
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue Environmental Technical Studies
20 Updates Needed for the Environmental Revalidation:
• Noise Study Report (Including new noise receptor/sound wall modeling) • Community Impact Assessment
• Visual Impact Assessment
• Natural Environment Study, Biological Assessment
• Air Quality Conformity (safety exemption report and interagency consultation)
• Archaeological Survey Report, Historic Resources Evaluation Report, and Historic Property Survey Report
• (NEW) Extended Phase 1 Proposal and Report (cultural resources testing and analysis)
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue 21 Right of Way Update
Appraisal Map
o Approved on 10/08/2025
Certificate of Sufficiency
o Approved on 10/13/2025
o Haz Mat Disclosure Document Signed on 10/17/2025
ROW Requirement Map for Phase 2 - Completed
Full Take – 0 Parcels
Partial Take + TCE – 6 Parcels
TCE Only – 1 Parcel
Section 83 – 2 (City to Caltrans)
Relinquishment – 1 (Caltrans to City)
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue 22 Avoidance of Property Acquisitions
Multi-family
Apartment Building
Extra Space
Storage Facility
(~2.1 acres)
Modified
Driveway
Access
Partial Take
Instead of Full Take
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue 23 Avoidance of Property Impacts
Sound Wall Reconstruction
Removed from Project
(Avoids TCE Impact to
Properties along Joel Ct) Existing Sound Wall to Remain
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue 24 Value Engineering (Cost Saving Measures)
• Profile Modification of SPDR
– Avoidance of Impact to HP (Gas Station) Driveway (next to Denny’s) – Balance of Earthwork
– Reduction of Abutment and Retaining Wall Heights
– Improved (flatter) EB on/off-ramp Profiles
– Avoidance of Utility Impacts
• Profile Modification of the McBryde Connector
– Elimination of Retaining Walls
– Reduction of Barrier Heights
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue 25 Value Engineering (Cost Saving Measures)
• Design Exceptions for Superelevation
– Better use of Bioswales
– Elimination of Drainage Inlets in Areas that
Expose Maintenance Personnel to Risk
– Reduction of Retaining Wall and Barrier Heights
• Barrier Design Next to Jelly’s Place (Animal Shelter) – Elimination of Retaining Wall to Maintain Property Access Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue Project Cost / Funding
26 Phase 2 Total Project Cost $160 million
Secured Funding (Design and ROW Phases):
1. Measure J $1.8
2. Measure J – Program 28b (West County) $0.5
3. City of San Pablo $0.2
4. State – 2022 SB1 Trade Corridor Enhancement Program $19.7
5. State – 2022 State Transportation Improvement Program $3.8 Design and ROW Total $26 million
Planned Funding Requests (Construction Phase):
1. State – 2026 SB1 Trade Corridor Enhancement Program $70
2. State – 2026 SB1 Local Partnership Program – Competitive $25
3. State – 2028 State Transportation Improvement Program $35
4. WCCTAC fees/City of San Pablo Contribution $4
Construction Phase Total $134 million
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue Project Schedule
27 Environmental Revalidation 01/2024 – 02/2026
Design (Ready to List) 01/2024 – 06/2027
Right of Way Clearance 09/2024 – 04/2027
Construction (pending funding) 03/2028 – 03/2030
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue Completed Measure J Projects in West County
28 State Highways:
• CCTA, I-80/SPDR – Phase 1, 2017
• CCTA, I-80/Central Ave – Phase 1, 2019
• CCTA, I-80 SMART Corridor, 2016
Local Projects/Non-State Highways:
• Richmond Pkwy Lighting, 2017
• Richmond, Marina Bay Parkway Grade
Separation, 2016
• TOD & Access Improvements at El Cerrito
Plaza and del Norte BART Stations, 2014
• BART, El Cerrito Del Norte BART Station
Modernization, 2021
• BART Electronic Bicycle Facilities, 2021
• BART Comprehensive Wayfinding System,
2020
• WestCAT, Bus Wash Facility, 2020
• Hercules Transit Center Improvements, 2024
• Hercules Regional Intermodal Station –
Initial phases (Bay Trail – East, Path to
Transit, Bay Trail - West, Interim bus station),
2021
Marina Bay Parkway Grade
Separation
El Cerrito del Norte BART
Modernization I-80 SPDR – Phase 1
I-80/Central Avenue – Phase 1
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue Remaining Measure J Projects in West County
29 • I-80/San Pablo Dam Road – Phase 2
• I-80/Central Avenue – Phase 2
• Hercules Rail Station – Platform and Tracks
Major Interchange Modifications at I-80, San Pablo Dam Road & McBryde Avenue 30 Q & A