Case Study: Pennsylvania Department of Transportation (PennDOT) Integrating INRIX Probe Data into Planning, Operations, Performance, and Public Communication Background The Pennsylvania Department of Transportation (PennDOT) is responsible for nearly 40,000 miles of roadways, one of the largest statewide road networks in the US. To effectively operate its network, PennDOT operates four Regional Traffic Management Centers (RTMC) located across the state. The RTMCs focus on the ‘core network’ of roughly 4,000 miles of Interstates and other key arterials. PennDOT has been using INRIX probe data since 2011 and has conducted a myriad of studies that include incident detection / incident timeline by geography / congestion cause by incident type. Findings from these studies proved

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