Department of Highways Bureau of Highway Safety Travelled Vehicle-Kilometers on Highways Map in 2017 Area of Responsibility NAKHON RATCHASIMA, NONG KHAI, MAHA SARAKHAM, ROI ET, KALASIN, SAKON NAKHON, NAKHON PHANOM, MUKDAHAN, BURI RAM, SURIN, SI SA KET, UBON RATCHATHANI, YASOTHON, CHAIYAPHUM, AMNAT CHAROEN, BUENG KAN, KHON KAEN, UDON THANI, LOEI, NONG BUA LAM PHU Vehicle Kilometers (million V.K.) No Survey VK <= 30 30 < VK <= 60 60 < VK <= 90 90 < VK <= 100 VK > 100 xxxx - xxxx (xxx) ROUTE - CONTROL (VK) Longdo Map © MM, NuMAP, OSM - Terms QHD 100 km