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What sign should be used to explain to drivers what flashing yellow arrow means?

April 26, 2017arrow Drivers explain flashing means Used Yellow

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What sign should be used to explain to drivers what flashing yellow arrow means?

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The MUTCD does not include a standard sign for this purpose, because research has shown that no sign is needed. Researchers found that the flashing yellow arrow display is intuitively obvious in meaning to drivers and that an explanatory sign was unnecessary. See NCHRP Report 493.