Bridging shall be provided across private driveways and roadways, during the period that trenches are open, in such a manner as not to constitute a hazard to the people who use them. All construction operations shall be conducted in such a manner as to interfere as little as possible with the normal procedure of traffic. [Res. 807 § 2 (Exh. 2), 2021; Res. 735 § 1, 2017.]