: Criteria for emergency response planning and traffic control.
: Categorized based on length and hazard level (e.g., Category B for 300–1,000m, Category C for 1,000m+). : Criteria for emergency response planning and traffic
: Specific requirements for standpipes and water supply. Category B for 300–1
Fire safety in tunnels - fire boards and fire cladding - Tunnel Fire Protection Category C for 1