Management and Use of Data for Transportation Performance Management: Guide for Practitioners (2019) / Chapter Skim
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Pages 12-25
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Foundation
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Introduction • Foundation • Reporting • Insight • Cases Step 1 Specify & Define Data This step involves the up-front work to define data requirements for TPM. You may be seeking to add new performance measures, modify your existing measures, or improve the efficiency of your data gathering processes.
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Introduction • Foundation • Reporting • Insight • Cases Step 1.1 Define Need, Vision, & Scope Define business needs for data. Begin with the business objective(s)
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Introduction • Foundation • Reporting • Insight • Cases • What granularity of data is needed -- what time period and spatial unit should each data observation represent? • What level of precision is required?
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Introduction • Foundation • Reporting • Insight • Cases conditions in that location and at that time, as well as understanding that the delay is happening during a busy holiday season in a retail area. Considering data integration needs early can save effort later that may be required to build integrated data sets for analysis.
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Introduction • Foundation • Reporting • Insight • Cases Step 1.2 Define Performance Measures Specify, test, and document performance measure calculations. For each performance measure, precisely document the data inputs and calculations needed.
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Introduction • Foundation • Reporting • Insight • Cases Step 1.3 Identify Analysis & Reporting Requirements Understand data user needs. Consider the information needs of different audiences and identify how they want to consume this information.
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Introduction • Foundation • Reporting • Insight • Cases Capabilities Checklist: Specify & Define Data Basic o The business need for data has been identified and documentation of this need is available for future reference. o An inventory of existing agency data sources has been compiled.
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Introduction • Foundation • Reporting • Insight • Cases Step 2 Obtain Data This involves activities related to obtaining the data needed to support the entire TPM process, including • data needed to calculate performance measures, • data needed to provide context necessary to understand performance trends, • data needed to understand root causes and factors contributing to performance results, • data needed to set realistic targets, and • data needed for selecting strategies to improve performance. These data may be obtained from existing internal, external, and commercial sources.
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Introduction • Foundation • Reporting • Insight • Cases Step 2.1 Assess & Select Data Sources Identify available data. Identify existing data sources that could be tapped to meet some or all of the requirements.
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Introduction • Foundation • Reporting • Insight • Cases Step 2.2 Acquire Data It may be appropriate to launch a data acquisition effort if • current agency data sources will not meet the requirements, • there are no suitable commercial sources that meet the requirements (for an acceptable price) , • there is a business case for new data collection, and • resources are available -- both for initial collection and ongoing upkeep of the data.
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Introduction • Foundation • Reporting • Insight • Cases Table 1. Contents of a data collection and quality management plan.
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Introduction • Foundation • Reporting • Insight • Cases For more information...
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Introduction • Foundation • Reporting • Insight • Cases Capabilities Checklist: Obtain Data Basic o Data collection procedures and protocols are defined and documented. o Data collection and processing workflows are mapped to clearly assigned responsibilities and deadlines.
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Key Terms
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