A traffic barrier, comprising: a body , the body comprising: a skirt section , extending upwards and having a positive slope ; an intermediate section comprising a lower portion that extends upwards from the skirt section , a central portion that extends upwards from the lower portion , and an upper portion that extends upwards from the central portion ; the lower portion having a positive slope having an angle greater than the slope of the skirt ; the upper portion having a negative slope ; a head section above the upper portion ; the head section having a negative slope having an angle less than the slope of the upper portion ; a first end , and an opposite second end ; and a vertical end channel formed on each of the first and second ends ; a lower tension bar located within the skirt section , having a lower first tab extending through the channel of the first end and having a lower second tab extending through the channel of the second end ; an upper tension bar located within the head section , having an upper first tab extending through the channel of the first end and having an upper second tab extending through the channel of the second end ; and, the upper first tab and lower first tab of a first traffic barrier being pivotally connectable to the upper second tab and lower second tab of an adjacent second traffic barrier ; wherein each slope has a direction running from its lowest vertical point to its highest vertical point, each positive slope is defined as a slope having a direction that runs inwards towards a vertical centerline , and each negative slope is defined as a slope having a direction that runs outwards away from the vertical centerline . a body , the body comprising: a skirt section , extending upwards and having a positive slope ; an intermediate section comprising a lower portion that extends upwards from the skirt section , a central portion that extends upwards from the lower portion , and an upper portion that extends upwards from the central portion ; the lower portion having a positive slope having an angle greater than the slope of the skirt ; the upper portion having a negative slope ; a head section above the upper portion ; the head section having a negative slope having an angle less than the slope of the upper portion ; a first end , and an opposite second end ; and a skirt section , extending upwards and having a positive slope ; an intermediate section comprising a lower portion that extends upwards from the skirt section , a central portion that extends upwards from the lower portion , and an upper portion that extends upwards from the central portion ; the lower portion having a positive slope having an angle greater than the slope of the skirt ; the upper portion having a negative slope ; a head section above the upper portion ; the head section having a negative slope having an angle less than the slope of the upper portion ; a first end , and an opposite second end ; and a vertical end channel formed on each of the first and second ends ; a lower tension bar located within the skirt section , having a lower first tab extending through the channel of the first end and having a lower second tab extending through the channel of the second end ; an upper tension bar located within the head section , having an upper first tab extending through the channel of the first end and having an upper second tab extending through the channel of the second end ; and, the upper first tab and lower first tab of a first traffic barrier being pivotally connectable to the upper second tab and lower second tab of an adjacent second traffic barrier ; wherein each slope has a direction running from its lowest vertical point to its highest vertical point, each positive slope is defined as a slope having a direction that runs inwards towards a vertical centerline , and each negative slope is defined as a slope having a direction that runs outwards away from the vertical centerline . <EOS>