They...
They travel by car.
He...
He travels by motorbike / motorcycle.
He...
He travels by canoe.
They...
They travel by hot air balloon.
They...
They travel by bus.
They...
They travel by van.
She...
She travels by train.
He...
He travels by scooter.
She...
She travels by bike / bicycle.
They...
They travel by space shuttle.
They...
They travel by ferry.
