Establishing special ways and multiphase for turning left vehicles reasonably is still necess…

在条件允许的地方，仍需通过合理渠化设置左转专用车道和相位。

youdao

Establishing special ways and multiphase for turning left vehicles reasonably is still necess…

在条件允许的地方，仍需通过合理渠化设置左转专用车道和相位。

youdao