巴士線是在標誌列明的生效時間內供指定巴士專用的行車線，在生效時間以外則所有車輛都可使用。
A bus lane is a lane reserved for the specified buses during the period shown on its sign, and all vehicles may use it outside that period.
巴士線是在標誌列明的生效時間內供指定巴士專用的行車線，在生效時間以外則所有車輛都可使用。
A bus lane is a lane reserved for the specified buses during the period shown on its sign, and all vehicles may use it outside that period.