From Wazeopedia
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Carpool lanes, High-occupancy Vehicle (HOV) lanes, and Transit lanes are road lanes reserved for vehicles meeting special requirements, either carrying at least a specific number of passengers more other than the driver, or being a specific vehicle type. The number of required passengers in the vehicle can vary depending on the specific roadand time of day.
Although currently Waze does not support the requirements of routing over these types of lanes, there are plans to add support for them in the future.
{{Mbox|text=These guidelines have been updated <span style='color:redwritten based on the traffic laws governing the Houston Metro'>{{as of|July 2015}}</span> to prepare for the upcoming s HOV features. The old method was to map these and HOT lanes as Parking Lot Roads. This new method below should While they may be of interest elsewhere be used when mapping new lanes. There is no rush sure to redo existing lanes adapt them to make them compliant; do so only if you are working on them anyway, or are doing a general refresh in the areanew location's regulations.}}
As an interim measureIn Houston, these Houston Metro has described two different types of high occupancy lanes should be added . There is a Vehicle (HOV) lane which is subjected to the map as separate roads, restrictions based on time and type of vehicle with the road number of occupants being a type set of vehicle. They also have Toll (HOT) lanes which are time restricted toll roads. What can make the same as the non-restrictions particularly challenging is that a single lane will often be both a HOV and HOT lane. [ Metro] provides a general description of high occupancy lanes. However '''only''' which happens to provide links to the entrance ramps to these individual lanes should be set with where the appropriate [[Partial lane's time based restrictions|partial segment restrictions]]are described. The actual lanes themselves  Unique factors that should not have any restrictions set on them, except for [[be considered are#Reversible lanes|reversible lanes]], or other restrictions which are in effect at all The times on [[the Metro site specify when it is legal to enter the lane not when it closes.#Multi-use HOT lanes|multi-use are electronic toll roads. HOV lanes]] as discussed below. This means that if you are not currently in one toll roads.# The HOT lane's toll is a fixed amount regardless of these lanes the routing will avoid it, but if how far you choose to get into drive in the lane, the routing will work correctly. Being that only  There was a time when the entrance entire high occupancy lane in waze was restricted to all traffic from 11 AM to 1 PM (the trasition window between the end of morning inbound traffic and the lane is restricted, once you are already start of afternoon outbound traffic). This inadvertantly resulted in navigation errors as a vehicle entering the lane there will at 10:59 AM would be no penalty for staying there, and you will be routed directed to leave the lane at the first opportunity rather than following the fastest and most appropriate way best route to your the wazer's destination. The caveat will be for multi-use lanes which will have restrictions set solution to this is to force everyone who does not meet place the lanes use criteria (at this time that will be everyone, since restrictions on the client and routing server can only handle routes for private vehicles) out of entrances to the high occupancy lanes before . Once in the enforcement period beginslane there should be no timed based restrictions.{{Mbox|text=<span style='color:red'>{{as of|July 2015}}</span> the client Toll is an attribute applied to a road segment; it can not be turned off and routing server are still unable to differentiate different vehicle typeson. Therefore all vehicles using Waze are treated as ''Private Vehicles'', every high occupancy lane that is both a HOV lane and any a HOT lane must have two entrance segments. One tolled for the HOT lane and the other non-tolled for the HOV restrictions will be applied lane. Waze assumes that the tolls paid are proportional to all vehiclesthe distance driven yet HOT lanes have fixed tolls. (This The solution is to keep the reason why length of the restrictions should ONLY be set for tolled segment short so that variations in length between one entrance and the next are negligible in comparison to the distance between the on rampsentrances. As of this time, and the waze app does not provide the entire length of wazer with the lanes on opportunity to specify their vehicle type. Testing has shown that, until that changes, the segments themselves.)}}routing servers presume that all vehicles are '''This should only be applied to dedicated lanes that have exit and entry points.Private Vehicles'''.
Any time you are setting a road to allow ''HOV - 2'', it must also be set to allow ''HOV - 3''.