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199 The Element is the City's most current position on growth management policies. Consequently, although there is some overlap among the policies here and in other general plan elements, this Elem~nt is defined as the key resource document for growth management policies and issues. Implementation Process The intent of this Element is to establish policies in the General Plan for future actions and programs that will implement the city's growth management goals. As a new element, its initial implementation may point out the need for future amendments to reflect changes in the implementation process over time. It is recognized that a transitional period will exist between adoption of the Element and the implementation of its policies and programs. A significant effort in the transportation planning process will be undertaken by the City in its involvement in the growth management areas (GMA's) established by the Regional Advisory Planning Committee. The purpose of the GMA's is to enable local jurisdictions to focus their mutual concerns, coordinate improvements and implement those improvements through the interjurisdictional (GMA) process. Santa Ana is located in four GMA's (2,3,7 and 8) as shown in Exhibit A. City staff will work with the staff from other cities represented in each of the GMA's to address the transportation issues identified by mutual consensus of the representatives of each GMA. State and Federal Highway System Impacts It is recognized that Federal and State highways are a significant component of Santa Ana's transportation system. The City's transportation system is greatly influenced by the impact of two freeways which run through the City--the Santa Ana Freeway and the Newport Freeway--and the three freeways which are adjacent to the city's borders--the Garden Grove and Orange Freeways at the City's northern boundary and the San Diego Freeway at its southern boundary. Thus, this element discusses the relationship of the State and Federal highway system to the City's circulation system. Existinq Freeway System Deficiencies A significant portion of the transportation problem in the County stems from the inadequate capacity of the freeway system to serve the peak period travel demands. This lack of capacity has resulted in poor levels of service, characterized by severe congestion and low travel speeds during peak periods. The most severe congestion occurs at the junction of I-5 and SR-55 here in Santa Aha. 5