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National Highway 5
(Yakumo) |
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Enlarged
12-mm depth
National Highway 275
(Tsukigata)
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National Highway 275
(Tsukigata)
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National Highway 5
(Otaru)
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National Highway 44
(Kushiro Town)
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National Highway 237
(Kamifurano)
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National Highway 230
(Sapporo)
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Winter road surface condition on National Highway 5
(Yakumo)
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Installation at the centerline, National Highway 276
(Chitose)
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Full view of installation
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Enlarged
15-mm depth
National Highway 276
(Chitose)
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National Highway 276
(Chitose)
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National Highway 276
(Chitose)
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National Highway R238
(Wakkanai)
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National Highway 231
(Mashike)
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Installation at the shoulder, National Highway 231
(Mashike)
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Information sign on rumble strips, National Highway 238
(Wakkanai)
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Motorcycle test ride
(Tomakomai Winter Test Track) |
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Bicycle test ride
(Tomakomai Winter Test Track)
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Braking test on winter road surface
(Tomakomai Winter Test Track)
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