2.2
Requirements of the Final FHWA Rule and FTA Policy on Architecture
The FHWA Final Rule (23CFR 940) and FTA Policy on ITS Architecture and Standards, which took effect on April 8, 2001, defines a set of requirements that regional ITS architectures should meet. The FHWA Final Rule and FTA Final Policy state that – “ITS projects shall conform to the National ITS Architecture and Standards in accordance with the requirements. Conformance with the National ITS Architecture is interpreted to mean the use of the National ITS Architecture to develop a regional ITS architecture, and the subsequent adherence of all ITS projects to that regional ITS architecture. Development of the regional ITS architecture should be consistent with the transportation planning process for Statewide and Metropolitan Transportation Planning.” Table 1 shows how the requirements of the rule are met by the outputs developed for the DMATS/RPA 8 Regional ITS Architecture. Table 2-1. Mapping of Requirements to Architecture Outputs Regional ITS Architecture Requirements Description of region Identification of participating agencies and other stakeholders An operational concept that identifies the roles and responsibilities of participating agencies and stakeholders A list of any agreements (existing or new) required for operations System functional requirements
Where Requirements documented Geographic definition, as well as timeframe and scope of services are given in Section 1 of this document. Listing of stakeholders and their definitions is given in Section 3.1 of this document. An inventory of the elements operated by the stakeholders is contained in Section 4 of this document. The operational concept is defined in Section 3.2 of this document.
A discussion of existing and needed new agreements is given in Section 10 of this document. The functional requirements of the ITS systems are described in an overview in Sections 5 and 6 of this document, and are provided in detail in the Turbo Architecture database. Interface requirements and The Interfaces and information flows are described in an information exchanges with planned overview in Section 7 of the document, and are described and existing systems and subsystems in detail in the Turbo Architecture database. Identification of ITS standards An overview of the ITS standards is given in Section 8 of supporting regional and national the document. The detailed listing of ITS standards interoperability applicable to each interface in the architecture is described in the Turbo Architecture database. The sequence of projects required Projects and their sequencing are covered in Section 9 of for implementation this document.
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