| 摘要 |
Disclosed is a fog alarm device for roads (1), especially highways, comprising optical alarm signal transducers (6) that are disposed along the edge of the road. Said optical alarm signal transducers (6) are fastened within or to a structural device, particularly a guardrail (4, 5), which delimits the respective road section in an uninterrupted manner, and are connected via control lines or in a wireless manner to at least one fog detector (7). |
