Moving Violations Summary for 2010

The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's Metropolitan Police Department (MPD)and partner agencies with the authority to do so. For example, the District Department of Transportation's (DDOT) traffic control officers who prevent congestion through enforcement and control at intersections throughout the District. Locations of moving violations are identified from a database provided by the District Department of Motor Vehicles (DMV). The data is summarized by ticket counts based on time of day, week of year, year, and category of violation. The summary form was created as a series of aggregated street segment data, in order to view spatial patterns on a weekly basis. This is a temporal crosstab of violation types (defined below) by week and time of day (ranges defined below). Users are able to query by week to get a DC-wide yearly and weekly perspective on over 50 different combinations of violations. Create interesting street segment heat maps which can get quite specific to identify patterns and answer questions. For example, what type of parking violations occurred the most in the time period of this data? These data will give up to 26 distinct street segments of information – one for each week of the half year. Important Notes: Records which could not be associated to a street centerline segment were excluded from these summaries. Records which do not have a time of day associated with the violation were excluded from these summaries.本图层包含的零愿景（Vision Zero）数据集，收录了华盛顿特区大都会警察局（Metropolitan Police Department, MPD）及获法定授权的合作机构开具的停车违章罚单。例如，特区交通运输局（District Department of Transportation, DDOT）的交通管控警员，负责在特区全境各交叉口通过执法与管控缓解交通拥堵。移动违章的点位信息源自特区机动车辆管理局（District Department of Motor Vehicles, DMV）提供的数据库。该数据集以罚单计数为统计指标，按每日时段、年度周次、年份及违章类别进行汇总。为支持按周度观测空间分布模式，本次汇总采用聚合后的街道路段数据形式，本质为按周度与时段（时段范围详见下文）划分的违章类型（定义详见下文）时间交叉表。用户可通过周度维度进行查询，从而获取特区全域范围内超50种违章组合的年度与周度观测视角。可生成精细化的街道路段热力图，以精准识别分布规律并解答相关问题，例如：在所收录的数据时段内，哪类停车违章行为最为频发？此类数据集可提供半年度每周对应的最多26条独立街道路段的统计信息。重要说明：无法关联至街道中心线路段的记录，以及未标注违章发生时段的记录，均已从本次汇总数据中剔除。