The 8th edition of the ITA Tunnelling and Underground Space Awards was held online on the 8^th December 2023.

The winners in each category are: 

• MAJOR PROJECT OF THE YEAR - Purple line extension – Los Angeles (USA) 
• TUNNELLING PROJECT OF THE YEAR (50 - 500 M €) - World’s first spiral excavation using H&V shield tunnelling method (JAPAN) 
• PROJECT OF THE YEAR – Up To 50 M€ including renovation – Guanyinyan tunnel – An urban tunnel project of the unequal span four-arch-tunnel with two- ways and ten- lanes (CHINA) 
• TECHNICAL INNOVATION OF THE YEAR – Unprecedented in-tunnel diameter conversion of the largest hard rock TBM in the USA 
• BEYOND ENGINEERING - Multi pipe jacking method for the construction of city core metro station in soft soil strata (CHINA) 
• PRODUCT / EQUIPMENT INNOVATION OF THE YEAR - Integration of robotics into the construction works of the Chuquicaamata underground mining site (CHILE) 
• INNOVATIVE UNDERGROUND SPACE USE - V-column space of Shenzen Huangmugang transportation hub (CHINA) 
• YOUNG TUNNELLER OF THE YEAR – Erica Frederickson (USA) 

For further details please visit https://awards.ita-aites.org/winners-2022. 49/22.