1.
死人从公共汽车专用尾端起
https://i.imgur.com/keO0PG8.jpg
路口斑马线止
https://i.imgur.com/12viLvs.jpg
距离37M
https://i.imgur.com/tno0Bbn.jpg
37M/1.7s=78.35KM/hr
2.
左转车正准备转时双方都看不见对方
https://i.imgur.com/2qBvvMy.jpg
首次相见欢
https://i.imgur.com/wFAmzlU.jpg
死人没减速、左转车没礼让
3.
重机煞前煞，导致头重击左转车车身
https://i.imgur.com/kuD8Naq.jpg
https://i.imgur.com/Oc1L4Lm.jpg
这边可能要回放几次才清楚，死人几乎是前翻180度了
4.
https://i.imgur.com/GslXpID.jpg
结论
死人超速、路口没减速、煞前煞
左转没礼让