a 1 b of the intermediate region lnc and section information gib included in statistical information the information analyzer 69 collects probe information a 1 b of the vehicle that runs through the entire intermediate region lnc at a time and generates statistical information 67 b of the intermediate region lnc more specifically the information analyzer 69 collects multiple pieces of probe information a 1 b indicating that the vehicle runs through the entire intermediate region lnc at a time and generates statistical information 67 b in the illustrated example of fig2 multiple pieces of probe information a 1 b having an identical vehicle id u201c g 11 u201d and indicating that the vehicle runs through the entire intermediate region lnc at a time are collected based on the travel time and the approach time included in the respective pieces of the probe information a 1 b in fig2 a set of pieces of probe information a 1 b having headers f 21 to f 24 is data indicating that the vehicle runs goes straight through the entire intermediate region lnc collecting a plurality of sets of the probe information a 1 b indicating that the vehicle runs through the entire intermediate region lnc results in generating statistical information 67 e including section information gib shown in the lower.