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Tuesday, May 8 • 2:15pm - 2:45pm
PRESENTATION: CT Crash Data: Meandering Through a Wealth of Information and Methodologies to Produce Viable Results in ArcMap and ArcGIS Pro

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AUTHORS: Mark Hoover*, CT MetroCOG; Mark Goetz, CT MetroCOG

ABSTRACT: The Connecticut Crash Data Repository provides access to detailed accident information from state and local police. Updating nightly, this dataset includes critical attribute information, in addition to accident location, that can help guide analysis. This presentation will detail the process in which MetroCOG utilized pertinent attributes along with ROW boundaries to perform hot spot analysis on state and local roads in ArcMap. It will highlight how scale and feature selection can create vastly different results. Space-time patterns were also explored using ArcGIS Pro. Following a published workflow from ArcGIS Analytics, hot spot trends were visualized using space-time cubes in 2D and 3D. Temporal trends were visualized graphically, and hot spots were scaled down to individual street segments. Finally, accident data was summarized by day of the week and hour of the day to identify peak days and time periods for accidents in the region.

Tuesday May 8, 2018 2:15pm - 2:45pm
Room 201

Attendees (6)