You can edit the ticket pack .otp file to do this.
Code:
[ticketpack]
1 <-- Probability of the person scanning a ticket.
0.0 <-- Probability of the person buying a ticket.
0.3 <-- Probability of a person being chatty. (Hello, thanks, etc)
0.0 <-- Probability of passengers complaining.
You can then add tickets if you so wish but not essential if you have the scanning probability to 1, but I added one in Bristol Airport to avoid any potential conflicts.
Code:
[ticket]
Bus Fare <-- Name of the ticket in National Language (? - German I assume)
Bus Fare <-- Name of the ticket in English.
6 <-- Maximum number of stops for this ticket. So a 3 stop hop would be 3. 0 equals any numer of stops.
14 <-- Minimum age of the person for this ticket.
200 <--...