BEGINNING BUSINESS CONTACT ACCESSIBILITY CHANGE CONTRAST Schedules and itinerary Rates User Support Human Resources Service Charter Rights and obligations of users Quality commitments Madrid Regional Transport Consortium CRTM / Frequently Asked Questions CRTM / Complaints CRTM / Suggestions CRTM / Real-time information CRTM / News Autobuses Prisei SL complies with the commitments of the Aenor certificate of public passenger transport service UNE-EN 13816, and of the quality management system certificate UNE-EN ISO 9001 Prisei buses Autobuses Prisei, SL is a regular passenger service bus company based in Madrid. It covers the service of the Opera-Los Cármenes line, which is called VCM-500, formerly known as CM-6. Incident information At the moment there are no incidents on the VCM-500 line of Bus Prisei. Services of the Madrid Regional Transport Consortium Bus service website On the Madrid Regional Transport Consortium website you can find extended information on the bus service and access the complaints and claims system. Real-time information Updated information at the time of incidents that are occurring in the urban, interurban and EMT bus network. Autobuses Prisei SL Secoya, 20. 28044, Madrid. Contact telephone number: 91 508 41 00. Legal notice