欧洲许多国家已成功地在短距离公路交通上按Schott设计体系采用了计算机控制的可变换的交通信号,荷兰交通局现在已采用光学纤维的交通信息信号,并首次用于长距离的交通控制。100公里的公路段将装有 Many countries in Europe have successfully adopted computer-controlled switchable traffic signals in the Schott design system on short-distance highway traffic. The Dutch Transport Authority has now adopted optical fiber traffic information signals and was first used for long-distance traffic control. 100 kilometers of highway section will be installed