Traffic Control Devices
Temporary traffic control devices are used during road construction, maintenance, or other temporary situations.
A traffic control device must meet five basic requirements.
They include signs, cones, barriers, and flaggers to redirect traffic safely and provide advance warning to drivers.
To be effective, a traffic control device should meet five basic requirements:
- fulfill a need
- command attention
- convey a clear, simple meaning
- command respect from road users
- give adequate time for proper response
High-Visibility Garments
Employees who work along fast-moving vehicles should wear highly visible upper body garments.
Employees exposed to hazards caused by on-highway type moving vehicles in construction zones and highway traffic should wear highly visible upper body garments.
- The colors should contrast with other colors in the area to make the worker stand out.
- Colors should be equivalent to strong red, strong orange, strong yellow, strong yellow-green, or fluorescent versions of these colors.
- During hours of darkness, the garments must also have reflective material visible from all sides for 1,000 feet.
Knowledge Check Choose the best answer for the question.
7-12. What is one of the five basic requirements of a traffic control device?
You forgot to answer the question!