The WHEN FLASHING TAB must be used in conjunction with TC-20A in order to inform motorists that the need to stop only applies when the amber flashers are flashing.The oversize version (TC-120AT) must be used on freeways.
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The WHEN FLASHING TAB must be used in conjunction with TC-20A in order to inform motorists that the need to stop only applies when the amber flashers are flashing.The oversize version (TC-120AT) must be used on freeways.