The color red is a very conspicuous color and if you drive on the highway, you are likely to see several red balloons along the way. But red is not a color you will see often, so green road signs are also meant to catch the attention of drivers. This is especially important since driving on the highway is already dangerous because of high speed limits. Drivers need to keep their eyes on the road at all times.

There are seven basic shapes of road signs, each with a specific purpose. However, there are other shapes that are also used in the design of road signs. For example, different shields may be used as route markers, while two crossed panels are found at railroad crossings. However, the seven most common shapes of road signs are used most often.

If you're taking your driving test, you're probably wondering what road signs will be on the test. You can expect to see regulations, warnings, and informative signs. You may also see the warning and informative signs for horse-drawn vehicles and off-ramps. However, there are also some questions that are true or false.