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HOME > Northern Road Guide, for your safety and comfort > Sections closed to traffic when adverse weather is predicted
| Sections closed to traffic when adverse weather is predicted --Southern Hokkaido-- |
| Section closed to traffic | ||
| Locations in disaster-prone areas that are closed to traffic when certain pre-set conditions are met (precipitation, etc.) during adverse weather | ||
| Special traffic control section | ||
| Locations closed to traffic based on patrol reports showing possible hazard restulting from local weather conditons. In the event of adverse weather, the road is subject to temporary closure. Thank you for your cooperation. |
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| Roadside broadcasting | ||
 Special radio channel providing timely information concerning the present location via car radio. |
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| Criteria for closure to traffic (2004) |
| No. | Route | Precipitation | Length | Causes |
| 2 | 228 | 110mm | 2.3km | Rockfall, Landslide |
| 3 | 229 | 80mm | 1.0km | Rockfall, |
| 4 | V | 60mm | 5.2km | Rockfall, LandslideAOcean waves |
| 5 | V | 80mm | 11.6km | Rockfall, |
| 6 | V | 100mm | 2.3km | Rockfall, Avalanche |
| 7 | V | 80mm | 6.1km | Landslide |
| 20 | 453 | 160mm | 12.0km | Rockfall, Landslide |
| 21 | V | 100mm | 0.5km | Rockfall, Landslide |
| 22 | V | 100mm | 1.0km | Rockfall, Landslide |
| Special criteria for closure to traffic (2004) |
| No. | Route | Length | Causes |
| 5 | 228 | 6.0km | Rockfall, |
| 6 | 229 | 1.8km | Rockfall, |
| 7 | 230 | 17.1km | Rockfall, Avalanche |
| 13 | 277 | 9.2km | Rockfall, Landslide, Avalanche |
For detailed road information, please contact the nearest branch of Japan Road Traffic Information Center.
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