Truck modeling distinguishes itself from conventional four-step travel demand modeling in many aspects, such as trip purposes, truck gross vehicle weight classifications, commodity types, land use patterns, modeling process, and preprocessing. 卡车模拟在出行目的、卡车重量类型、货物种类、土地利用形式、模拟过程、预处理等多个方面同传统的四阶段交通需求模拟不同。
Gross vehicle or axle weight includes the weight of the vehicle and any passengers and load etc. 车辆总重量(GVW)或车轴重量,均包括车辆的重量,以及乘客和货物的重量。