Yes, but that's how cars are driven. Bikes are obviously at capacity (since it's 1). Buses are arguable, but the point of a bus is that you get it to capacity,

Yes, but that's how cars are driven. Bikes are obviously at capacity (since it's 1). Buses are arguable, but the point of a bus is that you get it to capacity, which is not how cars are driven. If you're really bored sometime sit beside a busy road and count the number of cars that have more than one person in them, it's a surprisingly low number.