Prepare for the Colorado CDL Test with ease! Our engaging quizzes and study materials will help you master the knowledge needed for passing the CDL exam. Strengthen your understanding of Colorado driving laws and get ready for your new career on the road!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.


What does "RR" indicate in pavement markings near railroad crossings?

  1. A warning for additional traffic signals

  2. A signal to reduce your driving speed

  3. An indication of a taxi stand

  4. A no passing zone before the crossing

The correct answer is: A no passing zone before the crossing

In this context, "RR" markings on the pavement serve as an important warning for drivers approaching a railroad crossing. The "RR" indicates the presence of a railroad crossing ahead and is a reminder for motorists to exercise caution. Specifically, it denotes a no passing zone, meaning that drivers should not attempt to overtake other vehicles in this area. This is crucial for safety, as passing near a railroad crossing can lead to dangerous situations where a vehicle might not have enough time to stop if a train is approaching. Recognizing the "RR" marking helps maintain safe driving practices and ensures that all road users are alert to the potential hazards posed by trains.