European Union, an REIO comprised of Belgium, France, Germany, Italy, Luxembourg, Netherlands, Denmark, Ireland, Greece, Portugal, Spain, Austria, Finland, Sweden, Cyprus, Czechia, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia, Slovenia, Bulgaria, and Romania.

Vulnerable Road User: A person using the road who lacks the protection of an outer vehicle shell or equivalent restraint system, and who is therefore at disproportionate risk of serious injury or death in a collision involving motorized traffic.