Trieste bus system is extensive and comprises more than 50 lines. It is managed by Trieste Trasporti. 

Click here to see the timetables (Key for Trieste timetable: Dal lunedì al sabato means from Monday to Saturday; Domenica e festivi means Sundays and holidays;).

Where to buy tickets?
Tickets are not sold by the driver! You may buy them:

-at tobacconist's, bars, newsagents in the city. Click here to check the sale points

-at the automatic ticket machines

-in the validating machines on the bus (you may pay by credit/debit card, you can buy only 1 ticket for each credit/debit card) 

- online (you have first to create an account).  If you purchase a monthly, fortnight or annual ticket online you get a 5% discount.  

-by sending a SMS to 4850850 and writing TST for a one way ticket or TSTG for a daily ticket (valid until midnight). You will receive a sms, keep it for all your travel. The ticket is paid with your phone credit. For now available only for Vodafone and Wind clients!

-by Tpl FVG App (available for Android and iOS). Electronic tickets must be validate in the bus by using the QR.

How much does it cost?
Fares change depending on the distance and length of journey: 

• one way ticket (orario intera rete) €1.45;   
• daily ticket (giornaliero rete) €3.25; 
• ten routes ticket (pluricorsa) €13.05;
• fortnightly ticket (Abbonamento quindicinale) €20.65(1 line) or €24.10 (all bus lines); 
• monthly ticket (Abbonamento mensile) €31.05 (1 line) or € 38.05 (all bus lines);
• half-yearly ticket (Abbonamento semestrale) €155.25 (1 line) or € 190.25 (all bus lines);
• yearly ticket (Abbonamento annuale) €310.50 (1 line) or €380.50 (all bus lines).

A travel ID (tesserino identità) is mandatory along with travel cards (yearly, monthly or fortnightly).
It is valid for 5 years. You can get it online (you have first to create an account) and it costs €5 OR you can get it for free at Trieste Trasporti ticket office (in via dei Lavoratori 2) or in the authorised sales points, e.g. tobacco shop, newsstand (see the list) by handing in:

• copy of the tax identification number
• copy of the ID card or passport
• a passport photo size
• Form filled in (the form is provided by the authorised sales points)