Regulatory signs generally use red, white, and black colors to convey their purpose. Red is used to indicate that vehicles have no right of way, such as a STOP or GIVE WAY sign; are prohibited from entering a road as a DO NOT ENTER or WRONG STEP sign; or are prohibited from performing maneuvers such as a U-turn prohibition sign. White: Used as the background color for most signs regulations and some road markers as a legend color on signs with red, green, blue, brown and black backgrounds. These color-coded signs and markings allow people to immediately determine the type of safety hazard in the area, even if they are too far away to read any actual writing.
Linked sign design files in PDF format provided courtesy of the FHWA MUTCD website Unauthorized use of text, images and other content is strictly prohibited. A new employee joining another company's facility may already know what the colors mean in each situation, which can help keep you safe during your first few weeks at work. These standards have been designed to provide a highly readable message and should therefore be followed for ALL sign installations. As roads become more busy and crowded, there are bound to be changes in the colors and shapes used in traffic signs.
Depending on the type of warning sign placed, motorists must adjust their driving behavior to suit the conditions indicated on the sign. Road signs are devices that are placed above or next to a road, roadway, trail, or other routes to guide, warn and regulate the flow of traffic so that travelers can safely reach their destinations. If a traffic sign has a different color or shape than others in its class, it is often because that sign is particularly important and drivers must recognize it instantly. Yellow and black circular signs or white circular signs printed with an “X” warn drivers approaching a railway crossing.
However, we must emphasize that you must ensure that you avoid using the already-established safety colors listed above for anything other than your intended uses. Some signs show the maximum and minimum speed limits for all types of vehicles on motorways and highways with limited access. Symbols are preferred for warning signs, however, symbols not officially approved by the FHWA cannot be used. Learning the common themes of shapes and colors used for different types of traffic signs, as explained on this page, is particularly important, as it will help you identify any unusual traffic signs that appear on the exam.
While normal black text on a white background is OK in some situations, others may benefit from color to add different levels of contrast and improve visibility. An important feature and significant distinction of regulatory signs is that they are used to inform road users of selected traffic laws or regulations, and indicate the applicability of legal requirements.