Home/Media/Infographics/FreightWaves Infographics/Spot Market Van Volume Decrease: May 2019 FreightWaves InfographicsNews Spot Market Van Volume Decrease: May 2019 FreightWaves Staff · Thursday, June 13, 2019 Facebook Twitter/X LinkedIn Spot truckload freight volumes failed to meet expectations in May, said DAT Solutions, which operates the largest truckload freight marketplace in North America.