Sources
Bridges
The conditions of Santa Clara County bridges and overcrossings were retrieved from the Federal Highway Administration National Bridge Inventory (NBI) website at National Bridge Inventory - Management and Preservation - Bridges & Structures - Federal Highway Administration (dot.gov). The raw data was aggregated and summarized by “good”, “fair”, and “poor” condition indicators.
Roadside Assets
The data was obtained from responses to the 2024 Roadside Assets Condition Self-Assessment Surveys completed by VTA’s member agency local jurisdictions.
Transit
Statistics on transit ridership were obtained from American Public Transportation Association (APTA) Fourth Quarter 2023 Report for Santa Clara Valley Transportation Authority.
Inventory of Assets
Roadway Lane Miles Maintained and Repaired/Repaved
The data was obtained from responses to the 2024 Roadside Assets Condition Self-Assessment Surveys completed by VTA’s member agency local jurisdictions.
Bus
The data for VTA’s bus fleet was obtained from an internal document, “VTA Facts, Current Bus System Data, 2024” produced by VTA’s Transit Operations Analysis and Reporting Department. The bus fleet includes all the following bus types: 30 foot (38), 40 ft hybrid (191), 40 ft standard (87), artic 60 foot (75), express (40), and electric (10). Bus route mileage is reported as the total round trip.
Light Rail
The data for VTA’s light rail fleet was obtained from an internal document, “VTA Facts, Current Bus System Data, 2024” produced by VTA’s Transit Operations Analysis and Reporting Department. In addition to the fleet of 98 standard vehicles, there are also 4 historic trollies that operate during the Christmas holiday season. Route miles define the extent of the operational network and represent the total extent of routes available for trains to operate. Track miles take into account multiple track routes (e.g. for each route mile where there is double track, there are two track miles; where there are four tracks, there are four track miles).
Highway – Ramp Meter Signals
Data provided by Caltrans District 4 Office of Traffic Systems staff.
Traffic Signal Controllers
Data provided by Caltrans District 4 Office of Traffic Systems staff and responses to the 2024 Roadside Assets Condition Self-Assessment Surveys completed by VTA’s member agency local jurisdictions.
Traffic Signs
The data was obtained from responses to the 2024 Roadside Assets Condition Self-Assessment Surveys completed by VTA’s member agency local jurisdictions.
Acknowledgments
Participating Agencies
California Department of Transportation
(Caltrans District 4)*
City of Campbell
City of Cupertino
City of Gilroy
City of Los Altos
City of Milpitas
City of Monte Sereno
City of Morgan Hill
City of Mountain View
City of Palo Alto
City of San Jose
City of Santa Clara
City of Saratoga
City of Sunnyvale
County of Santa Clara Roads & Airports
Metropolitan Transportation Commission (StreetSaver Program) *
Town of Los Altos Hills
Town of Los Gatos
* A special acknowledgement to Caltrans and MTC staff
Earl Sherman III, Maintenance Manager, and Nick Saleh, District Division Chief, for their cooperation and support for the litter, landscape, and graffiti maintenance and monitoring efforts in Santa Clara County, and Sui Tan, MTC StreetSaver Program Manager, and Aksel K. Olsen, MTC Principal Regional Analyst, for sharing data on the Bay Area region and local pavement conditions.
Project Team
Kia Sharifi (Mott MacDonald, Consultant)
Transportation Engineer, Deputy Project Manager
Eugene Maeda
Senior Transportation Planner, Project Manager
Lauren Ledbetter
Bicycle and Pedestrian Advisory Committee Manager
David Kobayashi
Traffic Engineer
Deborah Dagang
Chief Planning & Programming Officer
Lucas Perez
Electronic Communications Administrator
Joan Ho
Graphic Designer