What are the bidding conditions for traffic engineering?

The bidding conditions for traffic engineering are as follows: 1. Large-scale infrastructure, public utilities and other projects involving social interests and public safety; 2. Projects that are wholly or partially invested with state-owned funds or financed by the state; Projects that use loans or aid funds from international organizations or foreign governments. Because traffic engineering is a large-scale infrastructure project, all or part of it is invested by state-owned funds, so it needs to be tendered according to the specific situation. Article 3 of the Bidding Law of People's Republic of China (PRC)