Completar frases Roundabouts? No doubtVersión en línea You have to complete a text on the importance of roundabouts for drivers. por Pilar Ortea 1 lower one great pollution slow worldwide safe popular dangerous red In recent years , thousands of roundabouts have been built . They have become very and this is due to the fact that roundabouts are . Accidents decrease because traffic can only travel in direction so the most kind of crash , the head - on collision is eliminated . In addition , because of the sharp curves , drivers are forced to down in roundabouts . Besides being safe , roundabout reduce since carbon emissions are when the cars keep moving than when thery are stuck waiting at a light . In short , roundabouts are a idea .
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