A blue motorway sign is a type of road sign commonly found on highways and motorways. These signs are designed to provide important information to drivers, such as directions to nearby services, rest areas, and points of interest. The blue color is used because it is easily visible and helps convey a sense of safety and reliability. These signs often feature symbols and text that guide travelers to amenities like gas stations, restaurants, and hotels. By following these signs, drivers can make informed decisions about where to stop and rest during their journey, ensuring a smoother and more enjoyable travel experience.