Abstract：
Domestic urban utility tunnel construction has witnessed four development stages and now comes into the fast development stage. It is tunnel construction stage during the 13th Five-Year period (2016—2020), and the main task is to solve the various problems in planning, design, construction, operation and management of tunnel construction. It will enter a stable construction stage after 2020, so various specifications and standards will be drafted and issued during the 13th Five-Year period; the 14th Five-Year period (2021—2025) will be a key period for operation and management of tunnel, and relative policies, regulations and laws will be further completed.
