Not yet a full blown intermodal system. but smart card ticketing is coming to Bristol soon
Good news as long as the tickets are smart enough and those who want to use them don't have to be because the rules are straightforward, and acquiring them doesn't require a PhD in the interweb. It took me some time to work out
Oyster▸ at first...of course it's excellent when you know how and the system has matured over the years. Simplicity is everything for the simple-minded like me.