In 2024 Bay Area streets had an average PCI of 67, indicating “fair” regional pavement conditions overall
San Francisco County had the highest pavement quality of the region's counties in 2024, with an average PCI of 75
The city of Larkspur had the highest pavement quality of the region's cities in 2024, with an average PCI of 87
Introduction
How well are we maintaining our local streets?
The Bay Area’s local streets and roads form the foundation of the regional transportation system, providing access to jobs, homes, schools, shopping and recreation for motorists, bicyclists and pedestrians alike. Investing resources to preserve these facilities is essential to avoid new potholes and other roadway hazards. While pavement conditions in the region have remained remarkably stable on a year-to-year basis, actions to maintain local streets are evident on the city and county levels.
Regional Performance
The regional average PCI score held steady at 67 in 2024, with roads in the region rated as “fair” overall.
Regionwide, street pavement conditions have generally remained relatively stable from 2014 to 2024, with a consistent PCI score of 66-67 throughout this period. While local governments continue to work to improve their pavement condition, aging infrastructure remains a challenge for the region.
While pavement conditions across the region largely have been stable over the years, performance gains are more evident at the county level. San Francisco and Santa Clara counties had the biggest improvements in PCI from 2014 to 2024, gaining nine and four points, respectively. The pavement condition in many counties remained relatively stable during this period, changing by three points or fewer. However, in Napa County, PCI declined by four points.
Santa Clara County had the second highest pavement quality of the region's counties in 2024, with an average PCI of 72
San Francisco County had the region's greatest improvement in average pavement quality between 2014 and 2024, gaining nine points
Historical Trend for Street Pavement Condition
Regional Distribution
Pavement condition trends vary across the region.
Between 2014 and 2024, 27% of Bay Area cities have seen minimal shifts (two or fewer points) in their pavement condition. The largest success stories can be seen in smaller suburban jurisdictions like Larkspur, Orinda and Mill Valley, where PCI scores have improved by 47, 34 and 18 points respectively from 2014 to 2024. As of 2024, many cities in North Bay counties (Solano, Sonoma and Napa) had declining road conditions that were below the regional average, while roads in the South Bay and San Francisco were mostly improving and above average.
of Bay Area cities have seen minimal shifts (two or fewer points) in their pavement condition from 2014 to 2024
of Bay Area cities have seen large shifts (five or more points) in their pavement condition from 2014 to 2024
Street Pavement Condition Distribution by City (2024)
Local Focus
Pavement conditions vary widely from city to city.
In 2024 St. Helena (in Napa County) achieved the biggest one-year PCI gain of any Bay Area jurisdiction with its 50 lane-miles of city streets registering a score of 63 (fair), up 11 points from 52 (at-risk) the year before. Other communities with significant year-over-year improvements in their PCI scores include Colma, which rose 10 points to 84 (very good) in 2024 from 74 (good) in 2023; Los Gatos, which recorded a seven-point increase to 82 from 75; Atherton, which boosted its one-year score from 73 to 79; and Mill Valley, which in 2024 bumped its one-year PCI score to 79 from 74. The only jurisdiction with a three-year PCI score in the “poor” range is Vallejo (44). Pacifica, Petaluma and unincorporated Napa County all moved from “poor” to “at-risk,” with each logging three-year scores of 50 for the 2022-2024 period.
The city of Larkspur had the highest pavement quality of the region's cities in 2024, with an average PCI of 87
The City of Larkspur has had the region's largest improvement, with an increase in PCI of 47 between 2014 and 2024
Street Pavement Condition by City and by Street Segment (2024)
Sources & Methodology
Pavement condition index (PCI) relies upon a three-year moving average for regional, county and city PCI to improve the reliability of the PCI data on an annual basis. Segment PCI data is collected on a rolling basis but is imputed for interim years based on facility age and treatments using the MTC StreetSaver(R) system.
Metropolitan Transportation Commission: StreetSaver (2014-2024)
Metropolitan Transportation Commission: PCI Press Release (2025)