Question

The most common devices used to alert drivers of unusual or potentially dangerous conditions in highway and street work zones are barricades __________.

1) and signs
2) and cones
3) and lights
4) and flags

Answer 1

Devices used to alert drivers in work zones include barricades paired with signs, cones, lights, or flags. These aid in guiding drivers and ensuring safety.

Step-by-step explanation:

The most common devices used to alert drivers of unusual or potentially dangerous conditions in highway and street work zones are barricades and signs, barricades and cones, barricades and lights, and barricades and flags.

These devices serve as visual cues to drivers, indicating they should proceed with caution or follow specific directions in a work zone. Barricades physically block or deter entry to hazardous areas, signs provide information and instructions, cones delineate lanes and direct traffic flow, lights enhance visibility, especially at night or in poor weather, and flags are used to draw attention to specific conditions or for a flagger to direct traffic.