Why Do Some Trucks Have Lights On The Roofs

Gravel is used on flat roofs for two reasons.
Why do some trucks have lights on the roofs. The prospects of hunting fishing hiking camping and many other outdoor activities are often too good to pass up which is why you ve probably seen many a heavy duty truck pass you by on the highway on the way to the fun. These roof mounted lights are clearance lights since the trucks they are used on a work trucks that sit higher than a normal 1 2 ton truck. The two outside lights are called clearance lights because they show the outside dimensions both vertical and horizontal of the. Trailers over a certain width have to have 3 lights in the back not including the brake and turn signals over a certain length.
And so that s why certain vehicles have little orange marker lights on the roof. There is an important distinction between these and blue lights. To protect the underlying layer of roofing materials as is the case with built up roofs burs. It s also why you see the lights on heavy duty trucks and not light duty models.
Rooftop clearance lights on pickups exist for the same reason a lot of stuff does on our vehicles looks. These lights serve a specific purpose. They re a government mandated mark of shame for vehicles that are so huge. But why is that.
Have you ever wondered why contractors install gravel on flat roofs. There are five lights across the roof above the windshield. This is why you see these lights on an f 150 raptor over 80 inches wide and not on a regular f 150 79 9 inches wide likely not a coincidence. Emergency vehicles which use blue lights have exemptions under the road traffic act such as the ability to proceed through a red traffic signal or exceed speed limits whereas doctors do not when using a green light.
The only extra clearance lights required on some pickups is on the duallies where the wider rear fenders have an additional clearance lamp. To weigh down or secure the roofing material as is the case with single ply flat roofs. You might have also noticed those yellow lights that accent said trucks roofs.