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The original item was published from 11/10/2022 4:51:00 PM to 11/10/2022 5:00:29 PM.

News Flash

Public Works

Posted on: November 10, 2022

[ARCHIVED] Mill Valley Roads Evaluated - 3rd Best in Marin County

Roadway paving with large paving machine and workers in hard hats and orange vests

The Metropolitan Transportation Commission (MTC) has releasd the Annual Pavement Condition Index (PCI) Report to provide the 3-year rolling average of pavement condition of cities, towns and counties throughout the Bay Area. The PCI provides a snapshot of the pavement health of a road. It is measured on a scale of 0 to 100 (where 100 means a newly paved road), and many factors affect a city’s or county’s PCI score.

These include pavement age, climate and precipitation, traffic loads and available maintenance funding. MTC provides technical assistance to Bay Area cities and counties to fund local pavement distress surveys by trained MTC consultants. This data set, which includes pavement conditions and maintenance history records, is updated every three years to predict maintenance needs and costs. 

In 2021, Mill Valley's PCI was evaluated to be 72 (Good) just behind Tiburon (75) and Ross (77). The table below show the steady improvement in PCI over the past few years. We attribute this improvement to strong direction from our Council to focus on protecting and improving the City's infrastructure in a forward-thinking and cost-efficient manner.  

Pavement Condition Index (PCI)DescriptionMill Valley's Annual Rating

Very Good-Excellent (PCI = 80-100)

Newly constructed for resurfaced pavement with few signs of distress.

Good (PCI = 70-79)

Pavement requiring mostly preventive maintenance and showing only low levels of distress.
2021 - 72
2020 - 73
2018 - 73

Fair (PCI = 60-69)

Pavement at the low end of this range is significantly distressed and may require a combination of rehabilitation and preventive maintenance.

2019 - 68
2017 - 64
2016 - 61
2015 - 60

At Risk (PCI = 50-59)

Deteriorated pavement requiring immediate attention, including rehabilitative work.
2014 - 58

Poor (PCI = 25-49)

Pavement showing extensive distress and requiring major rehabilitation or reconstruction.

Failed (PCI = 0-24)

Extremely rough pavement that needs complete reconstruction.

Council has laid the foundation for this success over the years by supporting funding measures, approving paving strategies and working with the community to support paving projects. We also thank community members for approving Measure H on the 2016 ballot – the measure renewed our Municipal Service Tax, which goes directly into improving the condition of City streets.

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