The paper also points out that roadside landscaping with trees should be encouraged in road construction while maintainingroadway safety.
同时，指出北京市道路建设不重视植树问题，强调应该在保证交通安全的前提下增加高大乔木的种植力度。
2
Original bolt-supporting technology of rail roadway 4302 played little role in supporting, so it led to severe deformation, bad maintaining conditions and high maintaining cost of roadway.
Taking out highways makes some sense, financially as well as in terms of new land use options, because maintaining an under-utilised, polluting roadway AD infinitum is expensive.