My own feeling is that it has more to do with lane changes, particularly at junctions when there are large Numbers of vehicles changing lanes.

我自己的感觉是这跟频繁的变道很有关系，特别是在车辆交汇路口，大量的车辆都在那儿换道。

youdao

In every sample, levels of N-cadherin and plakoglobin signals at junctions were indistinguishable from those in control samples.

在每一个标本中，细胞连接的N -钙粘蛋白和盘状球蛋白的水平与对照标本无法区分。

youdao

Many of those gathered in the bike box at junctions - that space marked with a bike symbol that cars and vans creep into - say they notice little difference and question the benefits.

BBC: How super? What cyclists make of superhighways

Mira has been investigating how to use haptic, tactile feedback systems to safely get the attention of riders and warn them about other vehicles, prepare them for the road ahead or give help at junctions.

BBC: Motorbikes 'to get safe driving aids'

In 2007, an internal report for Transport for London concluded women cyclists are far more likely to be killed by lorries because, unlike men, they tend to obey red lights and wait at junctions in the driver's blind spot.

BBC: Are women cyclists in more danger than men?