An update to the Flagstaff Regional Plan 2030 (FRP30), to bring its Road Network Illustration (Map 25) into compliance with Arizona Revised Statute requirements and to resolve inconsistencies between Map 25 and parts of the Flagstaff City Code. This update does not alter the intent of FRP30; it is only concerned with correcting errors, removing legal vulnerability, and improving the readability of FRP30.

The objective of this Technical Data Notebook is to provide 100-yr peak discharges at a Concentration Point for the Unnamed 02 and 03 Washes, 100-yr floodplain boundary and erosion hazard information, using the most up-to-date topographic, hydrologic, and hydraulic data. This is a local study and has not been submitted to FEMA.

Eye on the Future 2020, the Maricopa County Comprehensive Plan, provides a guide for decisions concerning growth and development, and considers strategies for addressing growth-related impacts. Among the strategies is the creation of scenic corridors for unique roads in Maricopa County. The Carefree Highway area is one of these roads, and thus the Carefree Highway Scenic Corridor Guidelines are established to help enhance this area’s special characteristics.

It is likely that urban growth eventually will occur along Castle Hot Springs Road, which will present residents and stakeholders with important changes to their lifestyles. Mitigating the potential impacts of urban growth will continue to be a high priority for Maricopa County. Because these guidelines reflect the recommendations of residents and other stakeholders, they provide a unique opportunity for these residents and stakeholders to participate in the future growth and development of their area.