Final answer:
Motorist services signs are blue in color. They help drivers quickly identify nearby amenities like rest stops and other services. Recognizing the color coding of road signs is crucial for road safety.
Step-by-step explanation:
The motorist services signs, which alert drivers to service areas such as rest stops, are blue in color. These signs provide valuable information to drivers about nearby amenities, including gas stations, motels, restaurants, hospitals, and more. The use of a consistent color for these signs helps drivers quickly identify the services available to them while traveling.
It's important for drivers to be aware of the color coding of road signs as they significantly contribute to road safety. Besides motorist services signs, other colors are utilized for different types of information: green is often used for directional guidance, yellow indicates general warnings, and red is used for stop signs and other prohibitory signs.