把握出租车行驶的数据脉搏

城市化带来的道路拥堵、出行耗时长等交通问题给交管部门带来了巨大的挑战。

由Kaizong Ye,Weilong Zhang和Liao Bao撰写

通过安装在出租车上的GPS设备,可以采集到大量的轨迹数据,从而帮助我们分析人们出行信息,达到优化交通的目的

最近拓端tecdat研究人员对杭州的出租车轨迹数据从空间和时间维度上进行了分析和展示。

高峰时段打车难

杭州出租车总数并不少。不过每到傍晚时分,市民却普遍感到“打的”难。是下班高峰期,“打的”人士格外多,以致车辆不够用吗?

图表1


热门课程

R语言数据分析挖掘必知必会

面对扑面而来的数据浪潮,包含Google、Facebook等国际企业,都已采用R语言进行数据分析

探索课程

据有关部门不完全统计,平时车辆空载率在50%左右,但傍晚五六点钟时,这一数字几近70%。

高峰时段的空载出租车数量为载客出租车数量的3-4倍(图表1),拱墅区的比率达到5。而平时杭州各区的空载载客比率在2左右。出租车公司的一位司机表示,通常在上下班高峰期间,不是司机不想进入城区,是根本进不去,只能在外围徘徊,还造成了空驶,所以正好趁这个时间交接班,尽管交接班区公管所出台措施,规范客运出租汽车营运交接时间,但杭州整体的出租车资源从时间上来看,分配不均匀。

行驶轨迹和跨区流动

西湖区、江干区、拱墅区和下城区是出租车最密集的区域。

出租车跨区行驶的情况存在较大差异,西湖区到江干区,西湖区到下城区、拱墅区的数量较多,余杭区和萧山区到其他各区的出租车数量较少(图表2)。22.1%的出租车集中在西湖区,江干区、下城区和拱墅区的出租车数量分别为14.2%,13.4% ,11.3% ,杭州整体的出租车资源从空间上来看,分配不均匀。

高峰和平时的载客差异

我们发现,高峰时段和平时,西湖区(21%和20%)和江干区(20%和13.8%)都是出租车数量最多的区,其次是下城区、拱墅区、余杭区等,下城区平时的出租车数量(13.2%)比高峰期(10%)更多。

图表3

高峰时段的载客、空载数目差异比平时大。萧山区出租车的空载数为载客数的14.6倍,拱墅区为5.8倍,西湖区和江干区分别为4.5,4.4倍(图表3)。

这些发现说明杭州整体的出租车从时间和空间上分配不均匀,存在一定的不合理性,需要进行合理配置。


​非常感谢您阅读本文,如需帮助请联系我们!


关于作者

Kaizong Ye拓端研究室(TRL)的研究员。

本文借鉴了作者最近为《R语言数据分析挖掘必知必会 》课堂做的准备。


数据浏览

IDdatelongitudelatitudespeedangleloadhourrushtimedis
3765September 24, 2019120.13404530.2519892.6248015平时西湖区
3765September 24, 2019120.13404530.2519892.6248015平时西湖区
3765September 24, 2019120.13404530.2519892.6248015平时西湖区
3765September 24, 2019120.13404530.2519892.6248015平时西湖区
3765September 24, 2019120.13404530.2519892.6248015平时西湖区
3765September 24, 2019120.13404530.2519892.6248015平时西湖区
3765September 24, 2019120.13404530.2519892.6248015平时西湖区
3765September 24, 2019120.13404530.2519892.6248015平时滨江区
3765September 24, 2019120.13404530.2519892.6248015平时上城区
245308September 24, 2019120.20069330.24950877.88121平时西湖区
18003September 24, 2019120.20334130.18398105407高峰西湖区
18003September 24, 2019120.20334130.18398105407高峰拱墅区
18003September 24, 2019120.20334130.18398105407高峰滨江区
21094September 24, 2019120.21659630.361131012800平时滨江区
21094September 24, 2019120.21659630.361131012800平时拱墅区
21094September 24, 2019120.21659630.361131012800平时拱墅区
21094September 24, 2019120.21659630.361131012800平时西湖区
3765September 24, 2019120.13404530.2519892.6248015平时拱墅区
3765September 24, 2019120.13404530.2519892.6248015平时西湖区
3765September 24, 2019120.13404530.2519892.6248015平时下城区
14561September 24, 2019120.16403730.27332311.796119高峰西湖区
21094September 24, 2019120.21659630.361131012800平时拱墅区
21094September 24, 2019120.21659630.361131012800平时拱墅区
21094September 24, 2019120.21659630.361131012800平时江干区
21094September 24, 2019120.21659630.361131012800平时拱墅区
21068September 24, 2019120.21143530.286191023000平时拱墅区
21094September 24, 2019120.21659630.361131012800平时拱墅区
21094September 24, 2019120.21659630.361131012800平时拱墅区
18478September 24, 2019120.17633430.33229020800平时拱墅区
22523September 24, 2019120.24089630.197105035210平时秦淮区
21693September 24, 2019119.95227830.249275014600平时西湖区
17061September 24, 2019120.16115930.239683026600平时江干区
245321September 24, 2019118.87545532.0203040010平时余杭区
21068September 24, 2019120.21143530.286191023010平时萧山区
22829September 24, 2019120.1266830.33697407400平时拱墅区
3179September 24, 2019120.42808130.22977832010平时拱墅区
3765September 24, 2019120.13404530.2519892.6248015平时西湖区
3765September 24, 2019120.13404530.2519892.6248015平时西湖区
21094September 24, 2019120.21659630.361131012800平时萧山区
18043September 24, 2019120.17954130.2501248.6000平时上城区
1183September 24, 2019120.18160830.289807011600平时下城区
17061September 24, 2019120.16115930.239683026600平时拱墅区
21068September 24, 2019120.21143530.286191023010平时西湖区
1183September 24, 2019120.18160830.289807011600平时江干区
21094September 24, 2019120.21659630.361131012800平时西湖区
202119September 24, 2019120.15402530.278826031400平时下城区
18478September 24, 2019120.17633430.33229020800平时拱墅区
22523September 24, 2019120.24089630.197105035210平时萧山区
17864September 24, 2019120.15284330.261477033400平时西湖区
202119September 24, 2019120.15402530.278826031400平时江干区
17061September 24, 2019120.16115930.239683026600平时西湖区
21068September 24, 2019120.21143530.286191023010平时西湖区
201314September 24, 2019120.32932130.306569011000平时江干区
201314September 24, 2019120.32932130.306569011000平时江干区
1183September 24, 2019120.18160830.289807011600平时余杭区
21094September 24, 2019120.21659630.361131012800平时西湖区
21697September 24, 2019120.10231830.38325606600平时拱墅区
17864September 24, 2019120.15284330.261477033400平时下城区
18478September 24, 2019120.17633430.33229020800平时拱墅区
201314September 24, 2019120.32932130.306569011000平时江干区
22523September 24, 2019120.24089630.197105035210平时西湖区
21693September 24, 2019119.95227830.249275014600平时余杭区
17061September 24, 2019120.16115930.239683026600平时萧山区
21068September 24, 2019120.21143530.286191023010平时江干区
21094September 24, 2019120.21659630.361131012800平时拱墅区
18043September 24, 2019120.17954130.2501248.6000平时上城区
21697September 24, 2019120.10231830.38325606600平时余杭区
1183September 24, 2019120.18160830.289807011600平时下城区
21681September 24, 2019120.1584330.314044.4010平时下城区
202121September 24, 2019120.20020230.339336018600平时拱墅区
17061September 24, 2019120.16115930.239683026600平时江干区
21068September 24, 2019120.21143530.286191023000平时西湖区
21094September 24, 2019120.21659630.361131012800平时江干区
201314September 24, 2019120.32932130.306569011000平时拱墅区
201314September 24, 2019120.32932130.306569011000平时江干区
17061September 24, 2019120.16115930.239683026600平时西湖区
21068September 24, 2019120.21143530.286191023010平时拱墅区
21094September 24, 2019120.21659630.361131012800平时江干区
1183September 24, 2019120.1814530.289742011600平时下城区
1183September 24, 2019120.18160830.289807011600平时西湖区
1183September 24, 2019120.18160830.289807011600平时下城区
17061September 24, 2019120.16115930.239683026600平时下城区
21068September 24, 2019120.21143530.286191023010平时江干区
201314September 24, 2019120.32932130.306569011000平时江干区
21094September 24, 2019120.21659630.361131012800平时下城区
1183September 24, 2019120.18160830.289807011600平时拱墅区
201314September 24, 2019120.32932130.306569011000平时西湖区
17061September 24, 2019120.16115930.239683026600平时江干区
21068September 24, 2019120.21143530.286191023010平时拱墅区
21094September 24, 2019120.21659630.361131012800平时江干区
17061September 24, 2019120.16115930.239683026600平时西湖区
21068September 24, 2019120.21143530.286191023010平时江干区
201314September 24, 2019120.32932130.306569011000平时江干区
21094September 24, 2019120.21659630.361131012800平时拱墅区
1183September 24, 2019120.18160830.289807011600平时下城区
1183September 24, 2019120.18160830.289807011600平时下城区
201314September 24, 2019120.32932130.306569011000平时西湖区
17061September 24, 2019120.16115930.239683026600平时江干区
21068September 24, 2019120.21143530.286191023010平时江干区
7131September 24, 2019120.06190330.37143318.4128016平时余杭区
 
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