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C H A P T E R 4 Survey Research Methodology As described in this chapter, interviews and a survey were used a broad category evaluation of a transportation agency's to identify the business process and institutional characteristics relative commitment and probable effectiveness could be of the states that had more comprehensive SO&M programs made. Identification of more mature transportation agency (identified initially from secondary data). programs versus those that are still transitioning toward more comprehensive and effective programs was assessed by com- bining the few sources that cover most or all transportation Interviews and Survey agencies. As indicated in the following list, the data include Based on the hypothesis presented in Chapter 2 and the sources that indicate levels of deployment, performance report- insights provided by organizational development and process ing (if any), self-evaluation of the status of applied strategies, improvement theory and practice in Chapter 3, a survey issue self-reporting, level of participation in national programs, approach was developed to systematically identify key busi- topic-specific citations, and anecdotes. The indicators and ness processes essential to more effective programs and the sources included the following: institutional features that appear to support these processes. The purpose of the survey and interviews was not to iden- Survey on the extent of deployment of ITS infrastructure-- tify specific states as exemplary; rather, it was to determine reported at the metropolitan level for the top 70 metro- general relationships, business processes, and institutional politan areas in terms of percentage of freeway miles under architecture that appear to be associated with the more effec- detection and surveillance, coverage of safety service patrols, tive states. level of ITS integration. (Source: U.S. Department of Trans- This three-step approach was followed: portation, Research and Innovative Technology Adminis- tration, 2009b.) Step 1: Identification of clusters of states with similar com- State programs in traveler information--511 program mitment to and development of effective SO&M programs. and travel time information on dynamic message signs. Step 2: State DOT management interviews and surveys of (Source: U.S. Department of Transportation, FHWA, 2011.) selected states. Incident management--self-assessment score (72 regions). Step 3: Analysis of the survey and interviews to identify key (Source: U.S. Department of Transportation, FHWA, relationships between business processes and institutions. 2009a.) State authorizing legislation regarding quick incident clear- The range of business process and institutional differences ance. (Source: Dunn and Latoski, 2003.) among states was also assessed. Level of participation in operations/ITS initiatives including the following: ITS deployment activities. (Sources: I-95 Corridor Coali- Step 1: Identification of More tion, 2009; Gary-Chicago-Milwaukee Corridor Coalition, Effective States--Reliance 2009.) On Indirect Indicators TMC pooled fund participation. (Source: U.S. Depart- There is no available performance outcome data that can ment of Transportation, FHWA, 2009e.) be used to directly identify the more effective transportation Road weather management and Remote Weather Infor- agency SO&M programs on an absolute scale. Therefore, only mation System (RWIS) stations. (Source: U.S. Department 31