With some road trains almost 60 metres long, new rules in WA mean truckies will have to display signs alerting other drivers to their vehicles’ length. But the haulage industry says the change will be costly and ineffective. With some road trains almost 60 metres long, new rules in WA mean truckies will have to display signs alerting other drivers to their vehicles’ length. But the haulage industry says the change will be costly and ineffective. Transport Industry, Roads Latest business news