Are motorcycles permitted to travel in an HOV lane?

As a general rule, the following may travel in the BUS-HOV lane: two- or three-wheeled motorcycles, private cars, buses with a maximum authorised mass exceeding 3,500 kilograms, articulated buses and adaptable mixed-use vehicles with the number of occupants set per section. All other vehicles and vehicle combinations are prohibited from using it, including private cars with trailers, cycles and mopeds. However, the following may also use it even when occupied only by the driver: - Authorised vehicle types displaying the V-15 sign (reduced mobility badge). - Two- or three-wheeled motorcycles. - Buses with a maximum authorised mass exceeding 3,500 kilograms and articulated buses. - Vehicles classified as taxis according to the usage criteria in Annex II of the General Vehicle Regulations, equipped with an exterior light module and a valid taxi licence. - Police, fire-fighting, civil protection, rescue and emergency medical service vehicles on emergency duty, and road infrastructure and facility maintenance teams. - Private cars displaying the V-25 environmental badge sign classified in the Vehicle Register of the Autonomous Body Central Traffic Headquarters as '0 emissions'. - Private cars displaying the V-25 environmental badge sign classified in the Vehicle Register of the Autonomous Body Central Traffic Headquarters as 'ECO', 'C' or 'B', only when the variable message panels at the entrances to the HOV lanes indicate this.