(transport) Initialism of Electronic Road Pricing. an electronic system of road pricing with gantries installed throughout several locations in Singapore, with the purpose of managing traffic problems especially during peak hours.

Initialism of erotic roleplay. / Initialism of event-related potential. / (economy) Initialism of equity risk premium. / (economy) Initialism of estimated retail price.

plural of ERP

A village in Kortenberg municipality, Flemish Brabant province, Belgium.