Traffic Signs Key Terms

Research the basic terms associated with traffic signs
By Jennifer Ehlenfeldt, Freelance Writer Traffic signs come in all shapes, sizes and uses. Learning a few of the terms associated with signs can help engineers establish a basic knowledge of the sign world and what to expect when searching for certain types of traffic signs.

Many sign manufacturers will customize a traffic sign to a client's needs. If the sign is intended for public road use, it must follow certain government regulations. Learn key terms associated with the signs and regulations.

Degradation

Degradation refers to the loss of reflectivity and wear of a traffic sign over time. Signs lose color, wordings, paint and reflectivity, making them less visible and in need of being replaced.
Try:  Read the traffic sign standards and definition of degradation at the U.S. Department of Transportation website.

Regulatory

Regulatory traffic signs are used to tell drivers what rules pertain to certain sections of the road. They include signs like "Stop" or "No U Turn."
Try:  Find a definition and listing of regulatory signs at Rice Signs.

Manual on Uniform Traffic Control Devices (MUTCD)

The Manual on Uniform Traffic Control Devices (MUTCD) is published by the U.S. Department of Transportation to regulate everything pertaining to traffic signs including size, color, style and placement.
Try:  Browse the regulations and information on the MUTCD at the United States Department of Labor website.

Prismatic reflective

Prismatic reflective signs are those that will reflect a vehicle's head lamps at night.
Try:  Read about the prismatic reflective traffic sign and other types at USA Traffic Signs. The website offers an overview of the different types of reflective options and their benefits.

Traffic control devices (TCD)

Traffic control devices (TCD) is a general term often used by sign manufacturers and government standards to refer to traffic signs and other road signs.
Try:  Read the definition of TCD at Label Master. They supply traffic signs that meet government standards for all aspects of signage.

Warning signs

Warning signs are a category of traffic control signs designed to alert drivers of potential hazards like bumps, turns in the road or slippery road conditions.
Try:  Read the definition of warning signs and view the different types of signs available at Esignshop.