次干道 meaning in English

collector streets
secondary main road

Emission factors of pollutions from motor vehicles on hypo - artery in urban road net
城市次干道路段机动车污染物排放因子的测定
Commissioned by the government , our corporation is mainly in charge of construction of secondary main roads within the cbd and the relocation of some urban backbone roads
受政府委托，公司主要承担cbd区域内城市次干道的建设和部分城市主干道的拆迁工作。
Question 24 is it definitely that the plans for fast road , express way , trunk road , sub trunk road , underground passage etc . mentioned in 《 soliciting documents 》 can not be changed
《征集文件》上提到的快速路、高速公路、主干道、次干道、地下通道等计划是否确定不可变的吗？
Such products are mostly suitable for road lighting of public plazas , park , city sub - road , high - class residential district and the lighting and decoration of residence , villa and courtyard with the sense of modern environmental protection
本产品最适合于具有现代绿色环保意识要求的市民广场、公园、城市次干道、高层次的生活小区的道路照明及住宅别墅庭院的照明、装饰。