Since the full operation of Qinghai-Tibet Railway, Qinghai-Tibet Railway Corporation has provided 20 mobile vehicles to dispose rubbish in Xining, capital of Qinghai Province, Golmud, a city of Qinghai Province, and Lhasa, capital of TAR. At designated stations trains unload rubbish and sewage, which will be carried to designated processing places by the vehicles. Besides, exclusive garbage recycling carriages have been added to railway supply vehicles and it is required that cans and bags should be used for powder material conveyance. These measures have taken effective effect for protecting environment along Qinghai-Tibet Railway.