Wednesday, March 16, 2016: Taxis will be on strike for 14 hours, from 8 am to 10 pm.
Friday, March 18, 2016: General Strike: Planes, trains, maritime and local transportation personnel will be on strike! Trains for 24 hours, starting 9 pm on March 17th. Planes and ferries for the whole day on March 18th. Local transportation with different starting times depending on the specific location (no further details are available).
Saturday, April 9, 2016: Some ENAV airport personnel will be on strike for 8 hours, from 10:00 to 18:00. Please check with your ticket office whether this will affect your flight.
http://www.summerinitaly.com/planning/strike.asp