page_title: Lateral Road
section_title: Road safety
hierarchical_section_title: Lateral Road / Road safety
caption_attribution_description: road construction in Bhutan
context_page_description: The East-West Highway, also known as the Lateral Road, is the Bhutan primary east-west corridor, connecting Phuentsholing in the southwest to Trashigang in the east. In between, the Lateral Road runs directly through Wangdue Phodrang, Trongsa, and other population centers. The Lateral Road also has spurs connecting to the capital Thimphu and other major population centers such as Paro and Punakha.
  The Lateral Road traverses are a number of high passes, including Tremo La and Dochu La. The highest pass on the road is at Chele La; the second-highest pass is at Trumshing La in central Bhutan at an altitude of over 3,800 m.
context_section_description: Because much of the geology is unstable, there are frequent slips and landslides, which are aggravated by both summer monsoon and winter snowstorm and frost heave conditions. Teams of Indian labourers are housed at work camps in the mountain passes to be dispatched to clear the roads in the event of road blockage. The conditions in the work camps are poor, with the workers reduced to breaking rock into gravel on a piece-rate basis when not clearing the roads. An international aid project is under way to stabilise the worst sections of the road. A major Japanese aid project seeks to replace most of the narrow single track bridges with two-way girder spans capable of carrying heavier traffic. There are no stoplights.
  Mountain passes are often closed during winter due to heavy snowfall, shutting off land communication along the Lateral Road. During road closures, commercial and public vehicles are prohibited from attempting passes such as Thrumshing La, however private vehicles may proceed at their own risk. Blockages at high altitudes must be cleared by both heavy equipment and manual labour. At times, clearing crews have considerable difficulty even reaching the pass.
  Along the Lateral Road, there are many sheer drops of thousands of feet at the roadside, notably around Thrumshing La. Because of the many hazards and frequently dangerous conditions, the Government of Bhutan has approved and begun constructing a bypass to the Lateral Road around Thrumshing La as part of its Tenth Five Year Plan. The bypass will cut travel time, distance, and danger by avoiding Thrumshing La. The new route is expected to shorten travel time between Shingkhar village (Ura Gewog, Bumthang) and Gorgan (Menbi Gewog, Lhuntse) by 100 km and 3 hours. The new road construction met with fierce opposition by environmentalists; the government has chosen to proceed with construction nonetheless.
caption: Road construction in Bhutan
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