"STECO" make Bump Integrator also known as Roughometer or Automatic Road Unevenness Recorder gives quantitative integrated evaluation of surface irregularities on an digital counter / LCD screen.It comprises of a single wheeled trailer, with a pneumatic tyre mounted on a chassis, on which an integrating device is fitted. The machine has a panel board fitted with two / four sets of digital counters for accounting the unevenness index value. The operating speed of the machine is 32+1/2 km/hr. The machine is towed by a vehicle, usually a jeep.