The road is straight.

https://pixabay.com/th/photos/%E0%B8%AB%E0%B8%9A%E0%B9%80%E0%B8%82%E0%B8%B2%E0%B8%A1%E0%B8%A3%E0%B8%93%E0%B8%B0-%E0%B8%97%E0%B8%B0%E0%B9%80%E0%B8%A5%E0%B8%97%E0%B8%A3%E0%B8%B2%E0%B8%A2-%E0%B8%97%E0%B8%B2%E0%B8%87%E0%B8%AB%E0%B8%A5%E0%B8%A7%E0%B8%87-%E0%B8%96%E0%B8%99%E0%B8%99-3133502/