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原文传递 Develop a Highway Inventory Data Quality Control Scheme (PL-26)

题名：	Develop a Highway Inventory Data Quality Control Scheme (PL-26)
作者：	empty
关键词：	Highway Inventory Data##Quality control analysis##Asset management plans##Data collection##Maintenance (upkeep)##Highways##Kentucky##Highway Information System (HIS)##Performance tracking##Transporation planning##Kentucky State Reformatory##Kentucky Transportation Cabinet (KYTC)##
摘要：	Since passage of the Moving Ahead for Progress in the 21st Century (MAP-21), transportation agencies have become increasingly reliant on data for planning and programming, asset management, and performance tracking. An efficient asset inventory database with accurate data is critical for states to comply with MAP-21 (and now FAST Act) requirements. The Kentucky Transportation Cabinet’s (KYTC) Division of Planning maintains the Highway Information System (HIS), which is a primary source of this information for transportation professionals at the Cabinet (KYTC). Because highway system is continually changing, it is a challenging task to keep the information in the HIS up to date. Further, the level of accuracy and precision of the initial data collection activities vary among the agencies tasked with data collection. This study developed a quality check program of the HIS to ensure key items in the database are accurate. KYTC identified a list of priority data items to include in this assessment. They were: (1) Number and width of through lanes; (2) Type and width of medians; (3) Presence and width of auxiliary lanes (e.g., truck climbing, turning, two-way left turn); and (4) Type and width of shoulders. For this study, Kentucky Transportation Center (KTC) researchers developed a process to systematically sample highway segments and generate data collection points. These points were located on Google Earth and Google Street View so that those programs’ native tools could be used to measure the relevant attributes. Researchers then compared the HIS records and observed data to identify possible errors.
总页数：	35
报告类型：	科技报告