LightMark S2X™ is the revolutionary surface-level installed model of the LightMark series. LightMark S2X™ is built for uni-directional or bi-directional lane delineation and is installed at surface-level as opposed to conventional above surface pavement markers. Combined with passive retro-reflectors the LightMark S2X™ provides the ultimate solution for night time guidance and demarkation all year round.