Im down in the LA/OC area and 90% of the time im driving solo - all of the 3 proposed routes by waze tells me to get into the carpool / HOV lane. There should be a button or a switch in the waze app… kinda like the “avoid toll road” switch which would forbid waze to suggest any route that involves one getting into the HOV/Carpool lane.
I tried to suggest this feature in another thread here but was hoping someone might have the solution already perhaps
The specific problem is there is no way to tell/use waze when operating as a solo driver which is stupid. A simple solution would be when you start waze for it to ask you how many people are in the car. Im all for safety but seriously when in gridlock traffic - you are stopped most of the time, so i just hit “im the passenger” button when i start waze and am on the road… but even when you set your destination while parked, then proceed it still thinks im able to enter the carpool/HOV lane.
This happens most often on 5N from mission viejo to 57N on a regular basis.
Sompe people suggested editing the waze map – but for most of the HOV in socal there are no time restrictions for most HOV lanes per say but as most know it is MANDATORY for there to be at least 2 people in the car to use the HOV/carpool lane in CA. So when im driving solo and it suggests using carpool/HOV lane its really useless as i cant take any of the proposed routes. 
Does anyone know a way around this issue, besides telling waze to “avoid freeways” ?? I live far enough that this would be problematic - it would be best to find a way to just always tell waze to avoid all HOV/carpool - this way when i do have 2 people in car and can use carpool its a bonus… but for the system to always suggest HOV lane is problematic.