Road Centerlines

Road centerlines digitized and maintained by Grant County GIS office. ROADNAME The name of the road, without road type or road direction. In capital letters. ROADTYPE The type of road. Drive, Street, Avenue, Court, Ramp, Road, Driveway, etc. ROADPOSTDIR The direction of the road. NW, NE, SW, SE. See Grant County Code Title 10 - ROADS, HIGHWAYS AND BRIDGES >> Chapter 10.16 - DESIGNATION AND CLASSIFICATION OF COUNTY ROADS >>10.16.010, which in part states: Roads running easterly and westerly, located northerly or southerly of base line, which is the township line between Townships 18 and 19 North, to be numbered beginning with road number one being the road on Section line one mile northerly of, or southerly of, base line, as the case may be; thence one number per section line road numbered consecutively. Roads running northerly or southerly, located easterly of or westerly of meridian line, which is the range line between Ranges 26 and 27 E.W.M., to be designated by letter, the road located on section line one mile easterly of or westerly of said meridian line, as the case may be, being designated by the letter "A"; thence one letter per each section line road lettered consecutively. Intermediate roads running in a cardinal direction within sections shall be designated by the next lower number or letter, followed by the distance in tenths of a mile; for example, a road five and one-half miles north of base line in northwest quadrant would be Road 5.5 N.W. The above described plan divides the county into four quadrants; southwest, northwest, southeast, and northeast. Roads will, in addition to the above described number or letter, carry the appropriate suffix, SW, NW, SE or NE. Diagonal roads or winding roads shall be designated by name, as authorized by the board of county commissioners. ALTROADNAME A local name or alternative name for the road. FEDROUTE The Interstate or US Route number STROUTE The State Route number CTYROUTE A Yes entry indicates it is a County-maintained road. County maintenance responsibility changes often. The data is only as good as the last update from the Public Works Department. FULLNAME The full name of the road, including the Road Name, Road Type, and Post Direction. In title case capitalization. ROUTETYPE The type of transportation route. Interstate, US, State, County, City, Rural, Access, Driveway CityName The Grant County city the road is associated with.本数据集为格兰特县地理信息系统（GIS）办公室数字化并维护的道路中心线数据。 ROADNAME：道路名称，不含道路类型与道路走向，采用全大写格式。 ROADTYPE：道路类型，涵盖车道（Drive）、街道（Street）、大道（Avenue）、庭院路（Court）、匝道（Ramp）、公路（Road）、私家车道（Driveway）等。 ROADPOSTDIR：道路走向标识，取值为NW、NE、SW、SE。具体命名规则详见《格兰特县法典第10篇——道路、公路与桥梁》第10.16章「县道路命名与分类」第10.16.010条，部分条款摘录如下： 1. 东西走向道路：位于基准线（即第18与19北镇区之间的镇区界桩）北侧或南侧，编号以基准线南北侧1英里处的区段界桩道路为1号，随后按每段区段界桩道路依次递增编号。 2. 南北走向道路：位于基准子午线（即西经第26与27范围区之间的范围界桩，E.W.M.为西部子午线缩写）东侧或西侧，以字母命名：以该基准子午线东西侧1英里处的区段界桩道路为“A”级道路，随后按每段区段界桩道路依次递增字母编号。 3. 区段内沿主方位（东、南、西、北）修建的支路：采用低于上述编号/字母的序号，后接以十分之一英里为单位的距离命名。例如：基准线北侧5.5英里西北象限内的道路，命名为Road 5.5 N.W.。 上述规划将全县划分为西南、西北、东南、东北四个象限。除上述编号或字母外，道路还需添加对应象限后缀SW、NW、SE或NE。 对角线道路或蜿蜒曲折的道路，可经县委员会授权后以名称命名。 ALTROADNAME：道路本地名称或替代名称。 FEDROUTE：州际公路或美国国道编号。 STROUTE：州道编号。 CTYROUTE：字段值为“Yes”时，表示该道路由县人民政府负责维护。县道路维护责任时常变动，本数据集的时效性仅与公共工程部的最新更新同步。 FULLNAME：道路完整名称，包含道路名、道路类型与道路走向标识，采用标题大小写格式。 ROUTETYPE：交通路线类型，包括州际公路、美国国道、州道、县道、城市道路、乡村道路、专用通道、私家车道等。 CityName：与该道路关联的格兰特县所属城市名称。