Travel chaos in Argentina as transit unions strike

A man crosses an avenue during a transportation strike in Buenos Aires, Argentina, Tuesday, March 31, 2015. Many businesses were shuttered and streets were mostly empty Tuesday as the country's transportation unions called a nationwide strike to protest income tax rates and high inflation in the South American country. (AP Photo/Natacha Pisarenko)

A passenger bound for Sao Paulo, Brazil, waits for news on her flight, delayed due to a national transportation strike, at the Jorge Newbery Airport in Buenos Aires, Argentina, Tuesday, March 31, 2015. Many businesses were shuttered and streets were mostly empty Tuesday as the country's transportation unions called a nationwide strike to protest income tax rates and high inflation in the South American country. (AP Photo/Victor R. Caivano)

A cyclist has the road to herself, left empty by a transportation strike in Buenos Aires, Argentina, Tuesday, March 31, 2015. Transportation unions brought Argentina to a standstill on Tuesday with a one-day national strike to protest income tax rates and high inflation they say is eroding their earnings. (AP Photo/Natacha Pisarenko)

Demonstrators block the Pan-American highway during a transportation strike in Buenos Aires, Argentina, Tuesday, March 31, 2015. Many businesses were shuttered and streets were mostly empty Tuesday as the country's transportation unions called a nationwide strike to protest income tax rates and high inflation in the South American country. (AP Photo/Victor R. Caivano)

Demonstrators holding posters with messages that read in Spanish; "We strike for salary, work, and the annulment of the wage tax," block a highway during a transportation strike in Buenos Aires, Argentina, Tuesday, March 31, 2015. Many businesses were shuttered and streets were mostly empty Tuesday as the country's transportation unions called a nationwide strike to protest income tax rates and high inflation in the South American country.(AP Photo/Natacha Pisarenko)

A demonstration blocks a highway during a strike in Buenos Aires, Argentina, Tuesday, March 31, 2015. Many businesses were shuttered and streets were mostly empty Tuesday as the country's transportation unions called a nationwide strike to protest income tax rates and high inflation in the South American country. (AP Photo/Natacha Pisarenko)

A woman walks near garbage during a strike in Buenos Aires, Argentina, Tuesday, March 31, 2015. Many businesses were shuttered and streets were mostly empty Tuesday as the country's transportation unions called a nationwide strike to protest income tax rates and high inflation in the South American country.(AP Photo/Natacha Pisarenko)

A man walks by the entrance of the Constitucion's train station during a transportation strike in Buenos Aires, Argentina, Tuesday, March 31, 2015. Many businesses were shuttered and streets were mostly empty Tuesday as the country's transportation unions called a nationwide strike to protest income tax rates and high inflation in the South American country. (AP Photo/Natacha Pisarenko)

Demonstrators block a highway during a transportation strike in Buenos Aires, Argentina, Tuesday, March 31, 2015. Many businesses were shuttered and streets were mostly empty Tuesday as the country's transportation unions called a nationwide strike to protest income tax rates and high inflation in the South American country. (AP Photo/Natacha Pisarenko)

Demonstrators shout slogans at a blockade on the Pan-American highway during a transportation strike in Buenos Aires, Argentina, Tuesday, March 31, 2015. Many businesses were shuttered and streets were mostly empty Tuesday as the country's transportation unions called a nationwide strike to protest income tax rates and high inflation in the South American country. (AP Photo/Victor R. Caivano)

Garbage litters a street, surrounding a dumpster with posters that read in Spanish; "31st of March, National Strike," near the Constitucion train station during a transportation strike in Buenos Aires, Argentina, Tuesday, March 31, 2015. Many businesses were shuttered and streets were mostly empty Tuesday as the country's transportation unions called a nationwide strike to protest income tax rates and high inflation in the South American country. (AP Photo/Natacha Pisarenko)

Two police officers guard the entrance of the train and subway station during a transportation strike in Buenos Aires, Argentina, Tuesday, March 31, 2015. Many businesses were shuttered and streets were mostly empty Tuesday as the country's transportation unions called a nationwide strike to protest income tax rates and high inflation in the South American country. (AP Photo/Natacha Pisarenko)

People sleep at the closed entrance of the subway during a transportation strike in Buenos Aires, Argentina, Tuesday, March 31, 2015. Many businesses were shuttered and streets were mostly empty Tuesday as the country's transportation unions called a nationwide strike to protest income tax rates and high inflation in the South American country. (AP Photo/Natacha Pisarenko)

Police stand on a bridge as demonstrators block a highway during a transportation strike in Buenos Aires, Argentina, Tuesday, March 31, 2015. Many businesses were shuttered and streets were mostly empty Tuesday as the country's transportation unions called a nationwide strike to protest income tax rates and high inflation in the South American country. (AP Photo/Natacha Pisarenko)