NEW : Post offices , ports , auto factories and garbage trucks all closed , a spokesman said . The cause was not immediately clear . Traffic jams snarl central Madrid as people drive instead of taking public transport . The unions are demanding government budget ##s to reduce the deficit . Spain has an unemployment rate of 23 % .
NEW : Post offices , ports , auto factories and garbage trucks all closed , a spokesman said . Traffic jams snarl central Madrid as people drive instead of taking public transport . The unions are demanding government budget ##s to reduce the deficit . Spain has an unemployment rate of 23 % .