Abstract: The information technology development brings both opportunity and challenge for freeway operation and management .In order to adapt to information trend ,to integrate and optimize the allocation of information resources to promote information construction ,and to improve the service level of freeway management business ,this paper establi-shes a framework architecture of integrated data center for freeway information system on the basis of analyzing freeway information status and demands and combined with cloud computing ,data warehousing ,data mining and fusion technolo-gies and concepts .The paper sorts out data flow of operation and management business in data center ,designs the func-tions for platform and its subsystems of data center ,and brings up corresponding standard criterion and security manage-ment mechanism .