If you stay in or near the old town, most is walkable.
If you plan on bussing around, a card costs seven euro at any tobacco kiosk initial card fee of two euros, so when charging it next time will just cost â¬5. With the card you can change lines wthin an hour without being charged again. Single tickets are 1,05 euros.
The city's taxi drivers are plentiful and mostly honest. Zaragoza Taxi phone numbers (http://www.listoftaxis.in...)
Sightseeing bus is another option. They provide more than just a great way to travel around the city, available to all pockets. It costs â¬7 free if you have the Zaragoza card and the ticket can be used the entire day.