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Pavement Maintenance

Largely due to Measure "Y" funding, the City of San Luis Obispo has been able to implement an ambitious Pavement Maintenance Plan (PMP) which was adopted by the City Council on April 14, 1998. Each year, usually during the summer, Public Works performs significant street maintenance with the aid of a private contractor. Because determining the scope of this paving work is a complex process, it naturally generates questions from our community.

construction crews paving a street
Placing leveling course and compacting in preparation for pavement reinforcing grid.

How do we determine which streets to pave?

There are a number of factors that determine which streets will be worked on for the year, including:

  1. The street location within the city
  2. The number of cars that use the street
  3. The streetís existing condition
  4. The budget

1. Street location
The City is divided into 9 pavement areas and work generally moves from one area to another each year. That means if we worked on a street last year, we probably won't be back there for 7 to 9 years. For the two years prior to completing street paving, utility lines are replaced, small pavement and sidewalk repairs are made, and sidewalk ramps are installed. This is done to minimize cuts into new street pavement which reduce its life. The core downtown area receives attention as appropriate every year as its streets are heavily used and are central to San Luis Obispo's tourist economy.

Check out our Paving Area Map (226kb PDF) to see how the City's pavement areas are divided.

2. Number of cars
The City Council was clear in developing the program for street maintenance; busy streets deserve more attention. This means that regardless of what area we would normally be working in, a heavily travelled street such as Madonna Road or Los Osos Valley Road may get more attention more often.

3. Street's existing condition
This is probably the most difficult part of the City's program to explain. Let's look at it this way:

Say you have $1,000 to spend this year on pavement maintenance and here is a list of streets you have that need maintenance:

  • One (1) street that is falling apart which will take $1,000 to restore to good condition.
  • Three (3) streets that are so-so which will take $300 a piece to restore to good condition.
  • And lastly, seven (7) streets that are in pretty good shape. If you spend $100 on each of them, they will remain in good shape for another 10 years.

So, if your goal is to have as many good streets as you can for the next 10 years, how do you spend the money?

The likely answer to this question by the City would be to spend $700 on the streets that are in pretty good shape to prevent them from deteriorating, and $300 on one of the so-so streets.

The City has many streets to maintain, and so must look at more than just those that are bad to determine how to best spend the available funds. Fortunately, we also have more than $1,000 to spend each year on pavement maintenance, thanks to your support for this work! That means we do eventually get around to the streets that are falling apart and rebuild them. Once that happens, they are regularly sealed to keep them in good shape.

4. The budget
The City typically spends between $1,000,000 and $2,000,000 per year on pavement maintenance. In 2012 and 2013 the City will spend an average of $1,600,000 per year on paving projects.

construction crews paving a street
Installing final asphalt surface as part of a street reconstruction project.

Additional questions that arise include the following:

What is that black stuff that gets painted on?
When a street is generally in decent condition with some cracks and perhaps some areas of failure, the street is sealed with a product called micro-surface to prevent more costly repairs down the road. Water intrusion is a primary cause of street failure and micro-surfacing a street keeps water from penetrating the surface. If micro-surface is done on a regular basis, it can delay the reconstruction of any street almost indefinitely.

How important is the Pavement Management Program?
Roadways are the backbone of all other services we need. Without them emergency services such as police and fire protection cannot respond to our needs. Without roadways simple needs like going to the grocery store or the park could be more challenging for our residents. In essence, good roads help us get to the things that we need and like to do.

The City has maintained a good quality Pavement Management Program. Our program incorporates the elements that are expected of successful pavement plans which are:

  • Review of pavement performance
  • Public perception
  • Impact of pavement treatments
  • Impact of varied funding levels.

In 2011 the City sustained 70% of our streets in good conditions which exceeds other Cities, Counties and the State and a review of the Pavement Management Program by a private consultant confirmed that the program is well thought out and on track.

Do we always stick to the schedule?
Unfortunately, that is not always possible. Although we do the best we can to keep to the scheduled maintenance program, occasionally something unexpected happens, such as emergency utility repairs in the affected area or a shift in funds available, and the paving priorities can change accordingly.

How has Measure "Y" impacted our pavement management?
Since Measure "Y" was approved in 2006, our community has invested over $7.5 million in roadway maintenance. That's roughly 173 miles of a 12-foot travel lane!

What paving projects are scheduled in the next several years?
For a list of paving projects scheduled for the next 5 years (2011-2016), see the City's 5-yr Paving Plan Map (630kb PDF).


The above information is available as a brochure in PDF format for saving. (923kb)

For more questions concerning the City's Pavement Management Program, contact the Public Works Department at: 805.781.7200

 

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