Methodology

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 What is NSIP?

NSIP is an acronym for Neighborhood Street Improvement Program. It is a yearly program designed to keep all of the city's streets operational by making repairs and improvements to 20% of the city's roadways each year. By administering improvements or maintenance to 20% of the City's roadways each year, the city can insure that every street is properly maintained within the city. This year is the 29th Neighborhood Street Improvement Program (NSIP 29). 

 Map of all NSIP improvements since NSIP23:

Map of Historic NSIP Projects

How does the City decide which 20% of streets will receive maintenance every year? 

The City’s Pavement Management System (PMS), is a computerized database system that allows the City to record, track and predict maintenance on each street or section of street in the City. The most important component of the PMS is the inspection, rating and recording of the condition of all streets in the community.  Each street or segment is assigned a  numerical ranking, or pavement condition index (PCI) from 0 (worst) to 100 (best) of the condition of the roadway pavement, and is based on the distresses of the pavement that are visible to the inspector.  Such distresses can include roughness, cracking (alligator, block, longitudinal, etc.), rutting, potholes, bleeding, shoving, corrugations and other conditions caused by pavement distress.  To obtain the most up to date condition of the City’s streets, every street is inspected by Public Works staff annually and rated utilizing the nationally accepted PCI rating system.

In addition to utilizing the updated, current PCI rating for each street being proposed for maintenance, streets with lower traffic volumes and/or little development are sometimes replaced in favor of higher-volume streets in more developed areas.  The  program also tries to minimize the amount of travel between streets for the maintenance crews, which maximizes production rates for both Contractors and the City’s own staff.

 

How much pavement is 20%?

The City’s street inventory consists of 4,916,678 square yards (SY) of pavement, which includes 455,736 SY for the Bullhead Parkway.  Therefore, the total amount of pavement the City maintains excluding the Parkway is 4,460,942 SY.  It has been the goal of the City for years to maintain approximately 20% of our City Streets each year (i.e. a 5-Year Street Maintenance Program), which would amount to 892,188 SY each year.  It should be noted that the City does not maintain State Route 95 or 68; those are the responsibility of the Arizona Department of Transportation.

 

Which streets will be serviced this year?

The NSIP 29 project consists of micro surfacing various pavements city wide to include selected street segments in the residential areas of El Camino Village, Arroyo Vista Estates, Rio Lomas and Sun Ridge Estates.  Adobe Rd, Alta Vista Ln, Arcadia Blvd, Arcadia Cir West, Ash Ave, Aster Wy, Avenida De Las, Estrellas, Beale St, Bonanza Ct, Booster Dr, Branding Iron Dr, Bullhead Parkway, Burr St, Cabernet Cv, Cactus Ct, Camino Real, Campbell Rd, Cassia Cir, Central Ave, Chablis Ct, Chardonnay Wy, Childress Wy, Cimarron Dr, Coconino Pl, Coyote Ct, De Angelis Ave, Diamond Creek Rd, El Campo, Family Cir, Florence Ave, Florence Ct, Frontage Rd, Gem St, Gloria Ave, Grapevine Pl, Heather St, Hickory St, Hijolly Dr, Ilona Dr, Indian Hill Dr, Jo Ann Ave, Jo Ann Wy, Johns Wy, June Cir, June St, Kalil Dr, King Rd, Kingston Dr, Kyle Ave, Lake Ridge Ave, Landon Drive East, Landon Drive West, Lariat Dr, Larkwood Ave, Leblanc Ct, Locust Blvd, Locust Ct, Logan Ct, Long Ave, Lupine Tr, May St, McCormick Blvd, Medicine Bow, Merlot Ct, Millar Dr, Mohave Ridge Ave, Mountain View Rd, Mulberry Dr, Normando Dr, North Ave, North Ln, North Oatman Rd, North Ridge Ave, North Ridge Cir, North Ridge Cv, North Ridge Pl, Oak Ave, Oak Cir, Oak Pl, Ontell Dr, Oro Ave, Oro Way, Park Crest Dr, Park Lake Dr, Park Land Ave, Park Land Ln, Park Ridge Ave, Park Ridge Ave, Park Ridge Cir, Park Ridge Ct, Park Ridge Cv, Park Ridge Ln, Park Ridge Pl, Park River Dr, Park View Dr, Parkhill Ave, Pegasus Ranch Ln, Pegasus Ranch Rd, Pettibone Dr, Phyllis Dr, Pocahontas Ln, Ponderosa Ln, Ramsey Rd, Raven Ct, Rawhide Dr, Richardo Ave, Richardo Wy,  Ridge Line Ave, Ridge Line Pl, Ridge Run Ave, Ridge Run Cir, Ridge Run Pl, Ridge View Ave

Ridge View Ave Cul De Sac, Ridge View Wy, Rio Grande Dr and Cul De Sac, Rising Sun Rd, Riverside Dr, Robin Dr, Rush Rd, Saddlebrook Ln, Santa Fe Dr, Shadow Canyon Dr, Sharon Rd, Shiloh Cir, Sierra Santiago Dr, Siesta Dr, Smoketree Cir, South Ridge Ave, South Ridge Ct, South St, Sterling Rd, Sun Lane, Sun River Ct, Sun River Rd, Sunbeam Dr, Sunbeam Pl, Sundance Dr, Sundial Ct, Sundial Dr, Sundrops Ct, Sundrops Dr, Sunflower Ct, Sunflower Dr, Sunglow Dr, Sunlamp Dr, Sunridge Ct, Tamerack St, Terra Loma Dr, Texas Sage, Tomahawk Ln, Ute Ct, Via Los Pozos, Vista Del Rio Wy, Warren Ct, Warren Rd, White Dove Ln, Wolf Ct’ Zinfandel Ln.

 Map of NSIP 29:

Map of Planned Street improvements under NSIP 29

 

 

 

How might street maintenance effect me?

Traffic will be detoured or restricted in the construction areas and every effort will be made to minimize delays. Drivers are asked to please obey all posted traffic signs and directions given by flaggers, to slow down when traveling through work zones and keep a safe distance from traffic barriers, trucks, construction equipment and workers. Work will be completed between the hours of 7 a.m. and 5 p.m.

 

How is NSIP funded?

This annual maintenance program is paid for using gas taxes (officially called Highway User Revenue Funds, or HURF).