Yeah you may be right about adding the lane, but the bigger issue is that the converted HOV to express, which means that cars with two people still have to pay

Yeah you may be right about adding the lane, but the bigger issue is that the converted HOV to express, which means that cars with two people still have to pay and cars with one person can now pay and slow down the carpool. So now fewer people can use the carpool while at the same time others can slow down the carpool.