This detailed HO Scale Proterra ZX5 Electric Transit Bus is perfect for adding realism to your modern-era city streets. Based on vehicles first introduced in 2020, this limited-run model features a die cast body with injection-molded parts, window glazing and fine decoration. It′s a great addition to your modern layout scenes or vehicle collection. The Proterra ZX5 Electric Transit Bus is one of many detailed HO Scale bus models from Iconic Replicas.