1994年元月加州发生的大地震，对加州交通厅是一次非常严峻的考验。加州交通厅的工程师们每天都要周旋于数百个因地震所造成的公路修复工程。加州交通总部的电脑防幕上，到处都是封闭的道路、车辆改道、工程进行中的讯号，这些问题都是必须立即解决的。最困难的是这些问题均非 The great earthquake in California in January 1994 was a very severe test for the California Department of Transportation. Engineers at the California Department of Transportation work on a daily basis with hundreds of road rehabilitation projects caused by the earthquake. On the computer screen of the California Traffic Headquarters, there are closed roads, vehicles diverted and engineering in progress. All these problems must be solved immediately. The most difficult thing is none of these problems