Just bread your trip to the vet. My dad always said that the lovely old Tom we grew up with sounded like someone was killing a baby when we took him to the vet. Dad fully expected to be pulled over.... 
Yours are goooooood. A friend used to tuck his cat inside his jacket and take it on his motorbike; it (seemed to) love it. If they were in the car, the cat would either lie along the dashboard, or just curl up in his lap. He maintained that the cat enjoyed travelling and behaved so well, because it had been being taken along since it was such a tiny kitten.
I used to really want to be able to have a cat that did the same. Not so sure it's a good idea nowadays.