Transport for London (TfL) has awarded Kier Highways the concession for maintenance of mechanical, electrical, and control systems of 10 tunnels located across London. Kier will also be responsible for renewals, safety inspections, intelligent transport systems, and cleaning of the tunnels. Tunnels included under this concession are :

• A102 Blackwall Northbound
• A102 Blackwall Southbound
• A101 Rotherhithe
• A12 Green Man
• A12 George Green
• A12 Eastway
• A3211 Upper Thames Street
• A2 Eltham Tunnel
• A406 Fore Street
• A40 Hangar Lane

The investment value for the project is GBP 200 million (US$ 275 million). The concession period for the project is 8 years, with a possibility of one extension of four years.