SAF also provides international lines connecting Italy to Slovenia, Croatia, France, Luxembourg and Belgium, and also belongs to a pool with other transport carriers.
For the Slovenian and Croatian lines, timetables, periods and days on which the coaches run and bookings can be made from:

Trieste's Busstation 
P.zza Libertà, 11
Ph. 040.425020 
Mondays to Saturdays 06:30 a.m.-07:00 p.m.
Weekends and holidays 06:30 a.m.-01:00 p.m.
www.autostazionetrieste.it

In order to provide an overall outlook of the international connection services, on the side you can find the timetables (downloadable in pdf format) of all buses leaving from Trieste Bus Station.

The Tolmezzo line for France and Luxembourg runs on a weekly or fortnightly basis and uses coaches that are equipped with the most modern comforts. Bookings must be made in advance through:

SAF AUTOSERVIZI 
Ticket Office and Outlets Office 
V.le Palmanova, 219 – UDINE
Ph. +39(0)432.608136 fax +39(0)432.601472
e-mail: prenotazioni@saf.ud.it 
Mondays to Fridays 08:00 a.m.-12:30 and 01:30 p.m. – 05:00 p.m.