Route 531 (Hebrew: כביש 531), is a suburban freeway in the southern Sharon region of Israel, just north of the Tel Aviv Metropolitan Area. The highway begins at Highway 6 and terminates at the Ayalon Highway with an extension to the Coastal Highway. The highway's easternmost section was constructed in the October 16, 2014, while parts of the extension of the highway to the Ayalon Highway in Herzliya opened starting in 2016.