When you see road workers at a construction site, you should obey their instructions
a. only if you see orange cones on the roadb. unless the instructions conflict with the existing signalsc. at all times

The correct option is C) at all times

Explanation:

Driving is a serious business as negligence of even a single person can be threatful to not only the life of the driver but also the lives of other drivers. During driving, a driver should be very careful about the events occurring near him.

The driver should pay special attention to road workers at the construction site. Any instructions made by them should be followed as their instructions would be genuine and in reference to avoid any accidents.

states grant a variety of local governments power to meet residents’ needs (source: apex learning). hope this !