Nowadays, in Vietnam's major cities, making use of underground space (tunnels) in road traffic is necessary, especially at river crossings or at complex intersections with high traffic density. However, there have been many problems in the operation, exploitation and maintenance of traffic tunnels due to damages such as cracks in the tunnel shell, water infiltration, flooding, fire and explosion, causing traffic insecurity, which needs to be further considered and perfected, especially the safety of people and vehicles traveling through the tunnels. The drafting of management procedures for tunnel works has some limitations in the operation process, because the tunnel operation process contains many potential risks that can lead to risks affecting the function, the existence of the work and the damage to human life and property, the cost and time for the maintenance. This article focuses on perfecting the management process of tunneling operations in order to contribute to ensuring stability, longevity, workability and efficiency when operating tunnels in general and urban traffic tunnels in particular.

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Road traffic infrastructure management and exploitation is a material production industry with both service and technical attributes, directly related to human life, means of transport and other assets. Traffic safety criteria are expressed through the ability to smooth traffic and the safety when traveling. To meet the above requirements, the road traffic infrastructure system must ensure quality in all aspects such as: design - construction - operation management. The Trung Luong - My Thuan expressway through Tien Giang province, invested in BOT form, phase 1, does not meet traffic safety criteria. The route does not have an emergency stop lane for rescue activities in the event of an accident. This is due to the issues in investment project planning, surveying and designing. For that reason, the article evaluates the management and operation of roads invested in the form of public-private partnership (BOT) in Tien Giang province from the perspective of traffic safety and investment efficiency. The, the article points out the gaps of state management in the field of road exploitation, as a basis for proposing solutions to improve the efficiency of BOT road traffic operation in Tien Giang province, Vietnam.