Research Article
Study on the Deocclusion of the Visibility Window of Traffic Signs on a Curved Highway
Table 1
The impacting factors on the occlusion of traffic signs.
| Impacting factors | Percentage (%) |
| The roadside plants | 15 | Terrain and slope | 3 | Other barriers such as bridges, central separation belts, and monitoring facilities | 5 | The passing-by vehicles during high traffic volume | 15 |
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