On divided highways, where must the first warning device be placed?

For vehicles stopped on divided highways, the first warning device, such as a warning triangle or flare, should be placed at a distance of at least 10 feet from the vehicle. This distance is important for safety, as it allows oncoming traffic to become aware of the hazard. By placing the device close enough to the vehicle, it will effectively alert drivers while still being far enough away to give them time to react.

In situations such as these, using the appropriate distance helps ensure that other road users can see the warning device as they approach the stopped vehicle, reducing the risk of accidents. The guidelines for positioning warning devices are established to maintain visibility and ensure the safety of both the stopped vehicle's occupants and passing motorists.