| 摘要 |
A safety system for alerting roadside personnel to detected incursions by approaching vehicles into designated safe area or areas; the said system comprising: a plurality of traffic cones (14) or like traffic warning elements for defining a visible boundary along a roadside or carriageway boundary (78) between at least one carriageway open for traffic (75) and a traffic free area of a road or roadside verge (72); each cone or warning element having impact detecting means (10) for detecting an impact with an approaching vehicle, and signal generating means (40, 42, 44) for generating an alarm activating signal in response to a detected impact; and, alarm means (53, 60, 63) activated in response to the generation of an alarm activating signal. |
