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Streets

The Town of Hillsborough street infrastructure consists of approximately 96 miles of streets, 2,500 catch basins and storm drain inlets, and thousands of street signs.

The Hillsborough Public Works Department – Street Crew:

  • Maintains the quality of Hillsborough’s streets and storm sewer system.
  • Installs and replaces street signs, guardrails and street markings such as stop bars.
  • Repairs sections of the street damaged by tree roots and collapsed asphalt.
  • Repairs potholes.
  • Notifies homeowners to trim foliage that blocks gutters and streets.
  • Performs maintenance on public lands and facilities.
  • Inspects private improvements in the right of way (encroachment permits.)

Street Damage or Impediments

In the event of a fallen tree or other roadway issue, residents may contact the Public Works Department at (650) 375-7444, use SeeClickFix smart phone programs for iPhone,Blackberry or Android, email pw@hillsborough.net, twitter.com/hillsboroughpw or facebook/hillsborough public works during regular business hours. Afterhours and on weekends please call Hillsborough Police Department at (650) 375-7470. In the event of injury or emergency, please call 9-1-1.


asphalt surfacingStreet Projects

The Town generally maintains its streets using surface seal methods and rehabilitates its streets using grind and overlay methods. The surface seal methods apply water-proof seal coats to the asphalt surface to prevent pavements from deteriorating over time due to water permeation beneath the asphalt layer.  The Town usually uses a combination of micro-surfacing and scrub seal treatments to preserve the streets with pavements that are mostly in good condition without structural failures. The combined treatment is at least ten times more cost effective than traditional reconstruction method and can extend pavement life an average of 5 to 10 years.

The grind and overlay methods apply structural enhancements to asphalt layer and improve load-carrying capability. The Town usually applies 1.5 to 3 inches of AC overlays to streets with pavements that are in fair condition with mild to moderate levels of base failure. The overlay treatments are at least three times more cost effective than traditional reconstruction method and can extend service life of a pavement 10 to 20 years.

A broad overview of Micro-Surfacing from Missouri Petroleum can be found here:
http://www.missouripetroleum.com/microsurfacing.html

The pavement condition of Hillsborough’s street network is evaluated every 2-5 years.  The condition survey grades the streets using a rating standard called Pavement Condition Index (PCI) which ranges from 0 to 100 with 100 representing an excellent pavement. The average PCI for the Hillsborough’s street network is 74 for 2012 and projected to be 72 for 2013.

How are streets selected for street projects?

The Public Works Department and City Engineer consider the PCI scores of streets, the timing of public projects for water and sewer infrastructure, and the limited funding when selecting streets for a project.  The Department's goal is to seal/improve each street at least once every 10 years.  This strategy has improved the average score from 54 to 70 in recent years. 

Sources for street funding include Measure A funds, gas taxes, the construction vehicle impact fees and general fund money. 
When water or sewer projects damage streets, a contribution is made by the appropriate fund towards the repair of the streets.

Street-Related Construction Responsibilities

Contractor Responsibilities (when working in areas around or on streets)

Contractors are responsible for repairing damage to parking strips and curbs/gutters. The damaged areas must be removed and replaced at the expense of the contractor. All work on streets or in right-of-ways requires appropriate permits from the Town’s Building and Public Works Departments.

Resident Responsibilities

catch basinAs there is no street sweeping service in the Town, residents are responsible for keeping curbs and gutters clean and free of leaves and other debris to prevent clogs. This includes using acceptable materials in parking strip construction (and not using rocks or pebbles, which can clog storm drains during wet weather).

At the discretion of the City Engineer, residents may be required to replace or repair parking strips or curbs/gutters that fall short of compliance or present a potential problem to the storm drain system.

For information on parking strip specifications, refer to the Parking Strip Requirements Handout.


The Town of Hillsborough 1600 Floribunda Avenue, Hillsborough, CA 94010 (650) 375-7400
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