There are many projects under way at present in the United Kingdom and further field to up-date out-dated technology in the field of signaling and control systems, track geometry, rolling stock and so on. In the wider context, the demand to reduce the harmful environmental effects of private vehicle use is leading to demands for a "modal shift" to public transportation, and we are seeing increasing numbers of schemes being drawn up for light rail systems, tramways, guided buses and metros.
現在在英國和其他國家就有很多項目正在實施,在信號和控制系統、鐵軌幾何、鐵路車輛等方面更新換代。從更廣泛的意義上說,在減少對環(huán)境有害的私家汽車的使用的呼聲下,人們要求改乘公車。我們看到越來越多的輕軌、有軌電車、導向公車和地鐵項目正在籌劃之中。