Traffic accidents

Data on traffic accidents in Schleswig-Holstein

## Description of fields

— ‘ID’ — Current number of the accident (one record per accident)
— ‘Uland’ — Land, here only ‘01’ = Schleswig-Holstein
— ‘UREGBEZ’ — always ‘0’
— ‘Ukreis’ — circle
— ‘UGEMEINDE’ — municipality
— ‘UJAHR’ — year of accident
— ‘UMONAT’ — month of accident
— ‘USTUNDE’ — accident hour
— ‘UWOCHENTAG’ — day of the week: 1 = Sunday, 2 = Monday, 3 = Dieday,... 6 = Saturday
— ‘UKATEGORIE’ — category of accident (criterion of classification is the most serious consequence of each accident): 1 = accident with killed persons, 2 = accident with serious injuries, 3 = accident with minor injuries
— ‘UART’ — type of accident: 1 = collision with driving/sustaining/resting vehicle, 2 = collision with forward/waiting vehicle, 3 = collision with vehicle moving side in the same direction, 4 = collision with oncoming vehicle, 5 = collision with vehicle turning/crossing, 6 = collision between vehicle and pedestrian, 7 = impact on road obstruction, 8 = agreement from road to right, 9 = agreement from lane to the left, 0 = accident of other kind
— ‘UTYP1’ — type of accident: 1 = driving accident, 2 = turning accident, 3 = bending/cross accident, 4 = crossing accident, 5 = accident caused by dormant traffic, 6 = accident in longitudinal traffic, 7 = other accident
— ‘ULICHTVERH’ — Light conditions: 0 = daylight, 1 = twilight, 2 = darkness
— ‘ISTRAD’ — accident with wheel: 1 if the accident involved at least one bicycle
— ‘actual car’ — accident by car: 1 if the accident involved at least one passenger car
— ‘Istfuss’ — accident with pedestrians: 1 if the accident involved at least one pedestrian
— ‘IstKrad’ — Accident with motorcycle: 1 if the accident involved at least one motorcycle, such as mofa, motorcycle/roller
— ‘IstGkfz’ — accident involving goods vehicles: 1, if the accident involved at least one truck with a normal body and a total weight exceeding 3.5 tonnes, a truck with tank or special body, a tractor or other tractor
— ‘other’ — accident with others: 1 if the accident involved at least one means of transport not mentioned above (e.g. bus or train)
— ‘USTRZUSTAND’ — Road condition: 0 = dry, 1 = wet/wet/slip, 2 = winter smooth
— ‘LINREFX’ — The geocoordinates of the location of the accident on the road section (UTM coordinate of the ETRS89 reference system, zone 32N)
— ‘LINREFY’
— ‘XGCSWGS84’ — The geo-coordinates of the accident location on the road section (geographical coordinates in decimal degree of reference system WGS84)
— ‘YGCSWGS84’

## Data origin

This is an excerpt from the accident data for Germany https://unfallatlas.statistikportal.de/_opendata2021.html

Filtered to the entries where ‘Uland=01’ is. In the geocoordinates, comma was replaced by decimal point.

Further explanations on traffic accident data can be found on the [page of the accident Atlas of the Federal and Land Statistical Offices](https://unfallatlas.statistikportal.de/_info2021.html).

石勒苏益格-荷尔斯泰因州交通事故数据集

## 字段说明
— `ID`：事故当前编号（每起事故对应一条记录）
— `Uland`：联邦州代码，此处仅为‘01’=石勒苏益格-荷尔斯泰因州
— `UREGBEZ`：行政区域代码，固定为‘0’
— `Ukreis`：县（Kreis）代码
— `UGEMEINDE`：市镇（Gemeinde）代码
— `UJAHR`：事故发生年份
— `UMONAT`：事故发生月份
— `USTUNDE`：事故发生小时
— `UWOCHENTAG`：星期几，取值规则为：1=周日，2=周一，3=Dieday（原文标注，疑似笔误），……，6=周六
— `UKATEGORIE`：事故类别（分类依据为单起事故的最严重后果）：1=致人死亡事故，2=致人重伤事故，3=致人轻伤事故
— `UART`：事故类型：1=与行驶中/驻留中车辆碰撞，2=与前方/停靠车辆碰撞，3=与同向侧向移动车辆碰撞，4=与对向车辆碰撞，5=与转弯/横穿车辆碰撞，6=车辆与行人碰撞，7=与道路障碍物碰撞，8=从主路并入右侧车道，9=从左侧车道变道，0=其他类型事故
— `UTYP1`：事故类型（二级分类）：1=直行事故，2=转弯事故，3=弯道/横穿事故，4=交叉路口事故，5=因静态交通引发的事故，6=纵向通行事故，7=其他事故
— `ULICHTVERH`：光照条件：0=白天，1=黄昏/黎明，2=夜间黑暗
— `ISTRAD`：涉自行车事故：若事故涉及至少1辆自行车，则取值为1
— `actual car`（涉乘用车字段）：涉乘用车事故：当事故中至少涉及1辆乘用车时，取值为1
— `Istfuss`：涉行人事故：若事故涉及至少1名行人，则取值为1
— `IstKrad`：涉摩托车事故：若事故涉及至少1辆摩托车（包括轻便摩托车、普通摩托车/踏板车），则取值为1
— `IstGkfz`：涉货运车辆事故：若事故涉及至少1辆符合以下条件的货运车辆：常规车身且总质量超过3.5吨的货车、罐式或特种车身货车、牵引车或其他牵引装置，则取值为1
— `other`（涉其他交通工具字段）：涉其他交通工具事故：若事故涉及至少1种上述未提及的交通工具（例如公交车或火车），则取值为1
— `USTRZUSTAND`：道路状况：0=干燥，1=湿润/潮湿/打滑，2=冬季结冰光滑
— `LINREFX`：事故所在路段的地理坐标（ETRS89参考系（ETRS89 reference system）下的UTM坐标（UTM coordinate），分区32N）
— `LINREFY`：对应上述`LINREFX`的Y轴坐标
— `XGCSWGS84`：事故所在路段的地理坐标（WGS84参考系（WGS84 reference system）下的十进制地理坐标）
— `YGCSWGS84`：对应上述`XGCSWGS84`的Y轴坐标

## 数据来源
本数据集为德国官方交通事故数据集的节选，原始数据源地址为https://unfallatlas.statistikportal.de/_opendata2021.html。已筛选出其中`Uland=01`的条目。数据集中的地理坐标已将原逗号替换为小数点。
更多关于德国交通事故数据的详细说明可参见[联邦与各州统计局事故图集官方页面](https://unfallatlas.statistikportal.de/_info2021.html)。