In work zones, ______ or ______ flashing signals are used to warn road users of obstructions or changes in road configuration.

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Multiple Choice

In work zones, ______ or ______ flashing signals are used to warn road users of obstructions or changes in road configuration.

In work zones, flashing signals use high-visibility colors to quickly alert drivers to hazards and changes ahead. Orange is the standard color for construction and maintenance areas, signaling that workers, equipment, lane closures, or detours may be present and that drivers should slow down and follow altered traffic patterns. Yellow provides a general warning of potential hazards or temporary changes in road configuration, prompting extra caution. Using either color helps drivers recognize the need to reduce speed and proceed carefully, even from a distance or in low light. Other colors like blue or purple aren’t used for these warnings, so orange or yellow flashing signals are the appropriate choice.

In work zones, flashing signals use high-visibility colors to quickly alert drivers to hazards and changes ahead. Orange is the standard color for construction and maintenance areas, signaling that workers, equipment, lane closures, or detours may be present and that drivers should slow down and follow altered traffic patterns. Yellow provides a general warning of potential hazards or temporary changes in road configuration, prompting extra caution. Using either color helps drivers recognize the need to reduce speed and proceed carefully, even from a distance or in low light. Other colors like blue or purple aren’t used for these warnings, so orange or yellow flashing signals are the appropriate choice.

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