
Road ministry issues SOP for tunnel construction to prevent mishaps and for better alignment | India News – The Times of India
NEW DELHI: Learning from recent incidents of tunnel collapse, including at Silkyara in Uttarakhand, the road transport ministry has issued a standard operating procedure (SOP) specifying that highway owning agencies must evaluate at least three alternative alignments with clear differentiators — shortest path, geologically/ geotechnically favourable, least social impact, and cost-optimised route – before settling…