| 摘要 |
Descpbed herein is a road safety warning system and methods of use thereof The warning system includes a housing (11), a warning sign (30) comprising a first end and a second end, and a means for extending and retracting the warning sign from the housing, wherein one or more wheels (100) are attached to the second end of the warning sign The warning sign can be extended from a disabled vehicle or mount in order to warn oncoming traffic
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