A Before and After Study of Implementing Flashing Yellow Arrow for Permissive Left Turns in Pinellas County, Florida

A Before and After Study of Implementing Flashing Yellow Arrow for Permissive Left Turns in Pinellas County, Florida  – With the interim approval of the Flashing Yellow Arrow (FYA) for Protected and Permissive Left Turns (PPLT) by the Federal Highway Administration (FHWA) and the Florida Department of Transportation (FDOT), Pinellas County plans to implement a FYA at various locations in the county.  The Center for Urban Transportation Research (CUTR) at the University of South Florida (USF) assisted Pinellas County in conducting a before and after study to assess the potential safety effects of the FYA on permissive left turns.