(07 Jan 2018, 8:10 am)Indigo701 wrote I used to travel a lot on my own, but since the incident where I had a horrible driver follow me to my seat and shout and scream at me because he didn't believe that I was disabled, I've opted to walk or even not go out at all by myself.

is that not the reason why possibly. With the concessions pass if you have the free companion added onto it, you are not permitted to travel alone, you must always have a companion with you.