Commercial Driver’s License (CDL) Practice Exam

Placing reflective triangles appropriately during a breakdown is crucial for safety on a two-lane undivided highway. The correct procedure involves positioning one triangle within 10 feet of the rear of the vehicle to ensure it's visible to approaching traffic shortly after they see the vehicle. The second triangle should be placed 100 feet behind the vehicle to provide a clear indication of the hazard and warn drivers further away. The third triangle is positioned 100 feet ahead of the vehicle to alert oncoming traffic, allowing drivers to slow down and navigate safely around the situation. This strategy ensures that all approaches to the breakdown are adequately marked, reducing the risk of accidents. Using all three triangles in this manner creates a clear and conspicuous warning for drivers, whether they are coming from behind or approaching from the front. It is important to have these warning devices set up effectively to provide ample notification of the hazard, and this particular setup follows the recommended best practices for road safety in emergency situations.