How to minimize the public inconvenience during up gradation or repair of infrastructure projects. ?

To answer one aspect of this question is scheduling of the phases of your project while taking into consideration traffic management, allowing needed traffic to pass by dividing your work to one section of the road if we are talking about a road, operating your heavy machinery during the day rather than night, and taking permits to work at night if necessary, deploying flagmen and signs to alert incoming traffic or pedestrians of potential dangers or obstructions.