Who is allowed to use aT3lane without restriction

You can use the T2 lanes if you have one or more passengers. You need to have two or more people in your vehicle, including the driver.Buses can also use T2 lanes. Motorcycles are also allowed in this lane with or without a passenger.

How far can you travel in aT3lane if you need to overtake the vehicle turning right

T2 or T3 transit lanes Reserved for the use of these vehicles (unless specifically excluded by signage): Motor vehicles carrying not less than the number of people (including the driver) specified on the sign - T2 is for any vehicle that has 2 or more occupants and T3 is for any vehicle that has 3 or more people. Passenger service vehicles, including taxis, regardless of whether or not they are carrying passengers. Bicycles. Motorbikes. Mopeds.