Road – Cycling area with PolylineZ geometry

The dataset contains areas: acCic_c: Cycle Circulation Area with PolylineZ geometry (acCic class, has two spatial components, acCic_c with PolylineZ ring geometry and acCic_s with PolygonZ geometry) It consists of a longitudinal part of the road reserved for the circulation of speeds. It can be realised: in its own place when it is physically separated from the area reserved for motor vehicles and from the area reserved for pedestrians, through suitable traffic partitions placed in the longitudinal and insurmountable direction; on a reserved lane, drawn from the roadway, separated from the lane reserved for motor vehicles simply through a longitudinal strip or through lane delimiters; on a reserved lane located on the sidewalk space.本数据集包含的区域要素为acCic_c，即循环通行区域（Cycle Circulation Area），其几何类型为PolylineZ几何图形；该要素隶属于acCic类，该类包含两个空间分量：具备PolylineZ环几何图形的acCic_c，以及具备PolygonZ几何图形的acCic_s。该区域为专供自行车循环通行的道路纵向区段，可通过以下三种方式布设：1. 独立布设：通过沿纵向设置专用且不可逾越的交通分隔设施，使其与机动车通行区域及行人通行区域实现物理隔离；2. 借用机动车道设置专属车道：从机动车道中划定专属车道，仅通过纵向标线或车道分隔设施与机动车道分隔；3. 设于人行道空间的专属车道。