INO, a world-class centre of expertise in industrial applications for optics and photonics, offers its laser rut easurement system (LRMS), a transverse profiling device that detects and characterises pavement rutting. The organisation says LRMS can acquire full 4m width profiles of a highway lane at normal traffic speeds (up to 100km/hr), using two laser profilers that digitise transverse sections of the pavement.