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Travelers heading to Italy and Spain could face major transportation disruptions this week as workers prepare to strike.

Rail passengers in Spain could see delays and cancellations beginning Thursday, Oct. 29, while a nationwide strike in Italy on Friday could affect trains, flights and other forms of transportation, according to reports.

In Spain, train drivers represented by the SEMAF union are planning a 24-hour strike Thursday that will affect Renfe, Spain's national passenger rail company, according to an announcement from the union.

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SEMAF cited concerns, including railway safety , working conditions and what it described as unfulfilled commitments as reasons for the strike.

The strike is scheduled to run from 12:01 a.m.…