We Have Come a Long Way on Street Rehabilitation
Since 1995, the Reno City Council has made street maintenance and rehabilitation a major priority. The City's Public Works Department has put forth an extraordinary effort over the last ten years to improve neighborhood streets throughout our community, and today drivers can see the difference.
In 1997, the Reno City Council adopted a comprehensive, long term plan to catch up on the backlog the City faced regarding street maintenance. This strategic plan calls for more than merely catching up on the backlog. It provides a long-term maintenance regimen that will prevent the City of Reno from falling behind on street maintenance in the future.
Rehabilitation and Maintenance on Streets From 1995 through 2015
- 107.3 Miles of neighborhood streets have been rehabilitated
- 107.9 Miles of Regional roads have been rehabilitated
- 18.4 Miles of industrial roads have been rehabilitated
- 510.0 Miles of neighborhood collector and local streets have been surface treated
Street Rehabilitation Program Methods
These are badly damaged streets, typically 20, 30 or 40 years old. They have outlived their design life and have a PCI rating of 40 or below. For these, the existing surface must be removed entirely, and sometimes the base surface must go as well. New base material is placed, or the old material is pulverized and recompacted. New asphalt surface is placed on top. Often we must also replace curbs, gutters and sidewalks at the same time. The City's policy is to address the worst of these streets first, so most reconstruction work has been done on streets with a PCI rating of 1-10. This treatment lasts approximately 20 years.
These are streets that still have good base material but the surfaces need work. These have a PCI rating of 41-55. An overlay consists of grinding a portion of the existing surface, repairing any bad spots through patching, then overlaying the area with a layer of new material. Overlays are less expensive than reconstructs, so the City's priority is to rescue streets with overlays before they slip into the Reconstruct category. The City's policy is to focus on overlays, in accordance with the 1997 Street Program Strategic Plan. This treatment lasts approximately 15 years.
This is the application of a thin layer of oil mixed with fine sand, applied to streets with a PCI rating of 55-85. It makes the surface look new and seals the surface from intrusion of moisture or other contaminants. This maintenance can extend the life of street pavement beyond the normal 20 years. A full-scale slurry seal program has been initiated for this year to protect the streets that are still in good shape. This treatment lasts approximately five years.
An application of oil, fine aggregate and polymers which is applied to resolve pavement roughness or to extend the life of pavement. It can be applied in multiple layers up to several inches to smooth out rough riding pavement or correct surface deterioration. Microsurface can extend the life and improve the ride-ability of deteriorated streets for 5-10+ years.
The City streets that are in the best condition (over 85 PCI) receive crack seal treatment. This year the City will apply sealent to 6 million square feet of pavement within Reno. This is a strong, baseline maintenance program to keep our high quality streets operating at their full potential. Crack seal treats cracks in the pavement to prevent moisture from working its way underneath. Seal treatment is relatively inexpensive, and very effective for keeping streets in the high PCI range. This treatment lasts approximately three years.
Regional Transportation Commission (RTC)
The RTC was formed in July 1979 as a result of legislation approved by the Nevada Legislature, which consolidated the Regional Street and Highway Commission, the Regional Transit Commission and the Washoe County Area Transportation Study Policy Committee. This consolidation has increased the effectiveness and efficiency in planning and implementation of the ground transportation program in Washoe County. Rehabilitation of regional roads are typically performed by the RTC, using local fuel tax funds and regional road impact fees.
Regional Road Reconstruction Program
The Regional Transportation Commission works with the Public Works Departments of Reno, Sparks and Washoe County to identify Regional Roads with pavements in poor condition and to repair them as soon as possible. Download a program brochure to learn more about this process.