Tajikistan > Impacts by Sector > Transport
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An increase in temperature and extreme precipitation has clear and direct impacts on the transportation sector in Tajikistan. The rise in temperatures, especially in the southern part of Tajikistan will inevitably cause a deterioration of the road conditions, rutting of the asphalts and wear on infrastructures. Extreme precipitation will also cause the risk for flooding and the risk of temporary or permanent damages to roads and bridges.
Some of the most direct impacts that climate change might have on the transportation sector in Tajikistan are listed below:
Road pavement is most vulnerable to heat. Higher temperatures in Tajikistan will require alternative types of asphalt that are more resistant to damage caused by rutting and melting. The incidence of traffic accidents strongly correlates to heat.
A shift in the seasonal precipitation and elevation is expected to increase the risk of avalanches and glacier lake breaches.
The increase in extreme precipitations events will mean that the design conditions of roads and bridges might become inadequate. The risk of temporary or permanent disruption to transportation routes could become inevitable. Extreme precipitation is a major cause of hazards like mudflow, flash floods and landslides, which all disrupt infrastructure by putting an impact on road and bridge foundation and causing an overload of the drainage system.
The transport sector may experience as result of increased heat increased asphalt melt, especially in the southern part of the country. Infrastructure for drainage and works like bridges may need to be redesigned to adapt to increased levels of precipitation. Greater risk of heavy precipitation is also expected to increase the risk of hazards.