Given the special geologicalconditions and fierce weath-er Tibet used to be land-locked. Development of itstransportation always has the uppermostattention of the Central Government.One of the roads built following thepeaceful liberation of Tibet in 1951 isthe 1, 130-km Qinghai-Tibet Highway Maintenance of the highway at anelevation over 4,000 meters calls forHercu1ean efforts. For this purpose, theCentral Government threw in hugeinvestment to guarantee the smoothtransportation of articles for daily use.As the highway carries 90 percent of thegoods and 70 percent of the passengersentering Tibet, the Qinghai-Tibet High- Given the special geologicalconditions and fierce weath-er Tibet used to be land-locked. Development of itstransportation always has the uppermostattention of the Central Government .One of the roads built the thepeaceful liberation of Tibet in 1951 isthe 1, 130-km. Qinghai-Tibet Highway Maintenance of the highway at anelevation over 4,000 meters calls for Hercuean effort. For this purpose, theCentral Government threw in hugeinvestment to guarantee the smoothtransportation of articles for daily use .As the highway carries 90 percent of thegoods and 70 percent of the passengersentering Tibet, the Qinghai-Tibet High-