The bus is certainly the most cost-effective way of getting around Cadiz, and there are plenty of buses to be had with different lines plying different routes. If you plan to take a lot of bus ride, it is advisable to buy the Bonobus Pass, which is valid for 10 rides and can be bought from tobacco stands and news kiosks.
Line 1: Plaza España – Cortadura
Line 2: Plaza España – Puntales – Bda. Loreto
Line 3: Plaza España – Bda. De la Paz – Puntales
Line 5: Plaza España – Bda. Loreto – Zona Franca
Line 7: Ingeniero de la Cierva – Glorieta Simon Bolivar