高承载收费车道（指专供承载多人的汽车所行驶的付费快车道）a fast-moving lane (= a section) on a wide road that is only to be used by cars with two or more people in them, by buses, or by vehicles with only a driver if the driver pays a toll (= a charge)
They are proposing building high occupancy toll lanes to better manage rush-hour commutes.
A High Occupancy Toll Lane pilot project is scheduled for next April on state Route 167. 计划于明年4月在167号州际公路上进行高承载收费车道试点项目。