I recommend checking out the below links.
Hopefully these will tell you what you need to know.

You may need to use the Google Translate tool on link 1, but if you know the name of the service you may be fine.

Link 1: http://www.cgsse.it/web/guest/scioperi-per-settore?p_p_id=settoriQuotati_WAR_FSIA6_CGSSE_IPZS001SNAPSHOT&p_p_lifecycle=1&p_p_state=normal&p_p_mode=view&p_p_col_id=column-1&p_p_col_pos=1&p_p_col_count=4&_settoriQuotati_WAR_FSIA6_CGSSE_IPZS001SNAPSHOT_actionName=eseguiRicercaScioperiPerSettore&_settoriQuotati_WAR_FSIA6_CGSSE_IPZS001SNAPSHOT_settore=4%3A%3A%3ATrasporto+Pubblico+Locale


Link 2: https://www.italiarail.com/strike-information