OBS_VALUE: Railroad infrastructure in the RK is considered a natural monopoly and is managed by the National Joint Stock Company «Қазақстан темiр жолы» (KTZ). Its subsidiary acts as a national freight carrier. Rail roads not considered as main railroad network (which is owned by state and is not subject to privatization) could be owned by private entities. Private entities can also own and operate the rolling stock (subject to state approval and incorporation in the RK), which includes locomotives and wagons. The law does not limit foreign ownership in the respective  entities. 