Buy your PLUSBUS ticket online for only £2 for travel during July or August 2016.
PLUSBUS is an add on ticket to your train ticket that gives you unlimited bus and tram travel around the whole urban area of the rail-served town or city. There are no peak period restrictions, so you can hop-on and hop-off buses and trams as much as you like.
Buy it online at the same time as you purchase your train ticket.
More info please click here.Buy tickets