Latest indications and modifications regarding vehicle access to Madrid Central: Vehicles (passenger cars) that do not have an environmental badge can access MC only with a requested invitation, but under no circumstances can they park in the SER zone. (Boam 8551/30dic19). Motorbikes without a badge may NOT enter the MC even if an invitation is requested. Non-Spanish number plates will be able to access with an invitation as long as the application system allows it.