The SM1000HD is a modular steel speed hump system for seriously heavy vehicle applications (including ‘B’ doubles). Perfectly suited to transport depots, factories or terminals etc. The SM1000HD is our toughest speed hump system. One metre or half metre modules with a choice of either solid moulded rubber or fabricated steel end caps. For use in transport depots, factories or terminals etc. Our super strong chassis construction with 6mm thick floor plate and 6 bolt fixings make our Slo-Motion Heavy virtually indestructible. Designed to comply with AS2890.1:2004, these speed humps have no equal. Supplied with all fixings and a lifetime structural guarantee (conditions apply).