Public transport in Guadalajara consists of buses, bicycles, and a light rail system. Several private bus companies operate along set routes throughout the city. Fares are paid to the driver upon boarding and buses are often overcrowded.The Guadalajara Macrobus, the city's Bus Rapid Transit (BRT) system, is operated by SITEUR and consists of stations running north-south through the city centre. Rechargeable pre-paid cards can be purchased at vending machines or tickets can be purchased at turnstiles. Exact change is required.SITEUR also operates two light rail lines which pass a variety of local attractions. Tickets can be bought by depositing exact fare at station turnstiles or purchasing a rechargeable card from station vending machines.Bikla Bicipública is the city's bike rental programme, with stations across the city. Commuters sign up on the Bikla website and collect their card at the Bikla office close to the city centre. Taxis are widely available and can be found at designated sites across the city, called in advance or hailed from the street. Tourist transportation options include horse-drawn carriages called calandrias.