Safety Curb

metal forms before concrete poured , finished hand



old sidewalk granite curb in kutná hora



hand forming @ catch basins

in low-speed environments, curbs effective @ channeling motor vehicle traffic. on higher speed roads, curbs should not used because can destabilize vehicles strike them. high-speed vehicle hits curb may turn towards sidewalk, rather directed away it. vehicle strikes curb can tripped rollover crash or vaulted air. vehicle vaulted on traffic barrier object barrier intended shield. reason why used on rural or high speed roads. curb used traffic barrier, barrier should either close or behind curb, reduce chances of vehicle going on barrier.

depending on area , distance between travel lane , edge of pavement, edge line can used indicate outside (shoulder) edge of road. retroreflective road marking material can applied curb make more conspicuous.