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Sigma KEE - Roadway

KB Term:

巷道

Roadway 是 LandTransitway 的子类别，它是专为设有自备电源、有轮胎，却不在轨道上运行的车辆在地面运行的地带。Roadway 起码要作稍微改善才能让车辆通过。 Roadway 包括泥路、砾石铺成的路、水泥或柏油路铺成的路和高速公路。

Relationships
Parents	陆地过境通道	LandTransitway is the subclass of Transitway that represents areas intended for motion over the ground.
Children	车道	A small, private Roadway that is used for parking Automobiles or for connecting a Garage to a public Roadway.
	车道
	路	A path along which vehicles travel. It is typically, although not necessarily, paved and intended for cars.
	交叉路口	RoadJunction is the subclass of TransitwayJunctions where two or more Roadways come together.
	二级公路
	街
	浮出水面的巷道	SurfacedRoadway is the subclass of Roadways that have been improved by covering them with a substance to increase the hardness and smoothness of the surface. Covering materials include pavement, concrete, asphalt, macadam, and gravel.
	没有铺面的巷道	UnsurfacedRoadway is the subclass of Roadways that have natural, unimproved surfaces of dirt or sand.