The wagon train protected itself by circling the wagons. Soon the road was jammed with a mass of wagons and carriages. Early road trains consisted of traction engines pulling multiple wagons. Body styles include coupes, sedans, convertibles and station wagons. They took 23 horses, 6 wagons and 26 camels. Medium sized vans/wagons or LOVs(Low Occupancy Vehicle) run on routes throughout the city. The roof of two Victorian Railways hopper wagons resembled a mansard roof. The train consisted of van wagons and containers. Ambulances changed from motorised back to a horse-drawn wagons. The Army improved the trail for use by wagons and stagecoaches in 1859 and 1860. Others would use discarded furniture, wagons, and wheels as firewood. Everything was instead loaded onto six wagons. Vans earned nicknames as "shaggin' wagons" and "sinbins". Each half has two loading/unloading wagons and 12 carrier wagons. The M-body wagons and coupes were discontinued after 1981.