NHAI to install QR code signboards with project-specific information on National Highways

The vertical QR Code Sign Boards will provide project-specific information, including National Highway number, highway chainage, contact numbers for highway patrol, toll manager, resident engineer, and emergency helpline 1033, NHAI said in a statement

​The vertical QR Code Sign Boards will provide project-specific information, including National Highway number, highway chainage, contact numbers for highway patrol, toll manager, resident engineer, and emergency helpline 1033, NHAI said in a statement