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San Boldo Pass
聖博爾公路

The San Boldo Pass (in Italian Passo San Boldo, formerly Passo Sant'Ubaldo and
Umbaldopass) is a small mountain pass in Veneto between the towns Trichiana and
Tovena in the Cison di Valmarino region over a distance of 17 km.
聖博爾公路(位於 Italian Passo San Boldo, 舊稱 Passo Sant'Ubaldo 或 Umbaldopass)，
是在希恩迪馬里諾地區穿越威尼托城的隧道，位於特里基亞納與托維娜之間，
總長超過17公里。

The pass lies at the southern edge of the Alps and connects the Val Belluna with the Val
Mareno over a height of 706 m (2,316 ft). The mountain pass is called the SP 635 and only
one lane is passable, the traffic is regulated by several sets of lights.
There is a speed limit of 30 km/h (19 mph) and a height limit of 3.2 m (10.5 ft), after
buses were repeatedly stuck in the tunnel.
There are five tunnels blasted into the rock with hairpin turns or loops, and six bridges.
公路線沿著阿爾卑斯山南邊（高度706公尺），連接Val Belluna和Val Mareno。
隧道口被稱為SP365，整條公路的寬度只有一台車能夠通過，交通是由號誌來
控管，時速限制在30公里，且每座隧道能夠通過的高度只有3.2米，曾經有公車
卡在隧道的紀錄。整條公路有五個爆破岩石而建造而來的隧道、和許多彎道、
六座橋。

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