1. For all of Bellevue's success, adaptive signals are not a cure all for jammed roadways. 尽管贝尔维尤取得了很大的成功，但自适应信号灯并不是解决拥堵路段的万能药。
2. In India, they mix thrown-out plastic waste with asphalt and use it to pave new roadways. 在印度，他们把丢弃的塑料废品和沥青混合起来，用来铺设新的道路。
3. The panels are also designed so that they can be installed directly on top of existing roadways, making them relatively cheap and easy to install. 经过特殊设计，这些电池板可以直接安装在现有道路表层，它们相对便宜并且易于安装。
4. Exhaust fumes can extend farther from roadways than once thought. 废气从道路扩散到其他地方的范围可能比我们所认为的要远。
5. By comparison, RORs account for 56.2% of crashes on urban roadways. 相比之下，城市道路中，ROR事故的比率约为56.2%。
