Common Emergency: 112

Police: 107

Ambulance: 104

Fire service: 105

Embassies: 
http://www.mfa.gov.hu/kum/en/bal/missions/missions_abroad/embassies_consulates/europe.htm

Speed limits:

-         highway 130 km/h

-         main roads: 90 km/h

-         within the city: 50 km/h

Budapest Airport: http://www.bud.hu/english

Hungarian Railway: http://www.mav.hu/english/index.php

Highway information: http://www.motorway.hu/02Ematrica/01Dijtablazat2012