India, Dec. 27 -- A simple set of overhead canopy bridges has delivered a major conservation win in western Assam, cutting road accidents involving the endangered golden langur by nearly three-quarters along a busy state highway, according to a new scientific study.

The research, published in the December 2025 issue of the Journal of Wildlife Science, shows that artificial canopy crossings installed above a 5.2-km stretch of State Highway-14 in Kokrajhar district reduced vehicle collisions with golden langurs by about 74 per cent.

The findings underscore how low-cost, wildlife-sensitive infrastructure can make a decisive difference in landscapes fractured by roads and development.

Golden langurs are strictly tree-dwelling primates foun...