A traffic safety device comprising: a cone having a cone body 14 which tapers upwards to a tip 4 from a cone base 8, an imager 13 attached to the cone body using an attachment mechanism, and a data recording or transmitting means. The attachment means comprises an external harness 11 and an internal anchor 12. The imager 13 comprises at least one sensor, which may include more than one of light, motion or vibration sensors, video recording means or infra-red beam. The video recording means may be actuated by the at least one sensor.
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