Truck scales, also named as weighbridge or railroad scale is a large set of scales, usually mounted permanently on a concrete foundation. that is used to weigh entire rail or road vehicles and their contents. by weighing the vehicle both empty and when loaded, the load carried by vehicles can be calculated.
 
Application:
Truck scales can be used for two main purposes:

• Selling or charging by weight over the bridge
• Check weighing both axle weights and gross vehicles weights. this help to stop axle overloading and possible heavy fines.