JJ Keller Entry Level Driver Training CDL Practice Test 2025 – Comprehensive All-in-One Guide to Exam Success!

The approximate time it takes for a 53-foot, 80,000-pound tractor-trailer to cross a single railroad track is about 14 seconds. This time frame is based on the vehicle's speed and the dimensions of the trailer. Typically, heavy and large vehicles like tractor-trailers have considerable length and require a longer time to completely clear a crossing compared to smaller vehicles.

The time estimation takes into account factors like the speed at which the driver can safely travel over a crossing, ensuring sufficient distance from tracks before crossing and the overall length needed to ensure the entire vehicle has cleared the tracks. In real-world driving scenarios, safety considerations dictate that a professional driver must be very cautious and aware of their surroundings, particularly near railroad crossings.

Understanding this time helps drivers ensure that they are not in danger of being struck by a train while crossing, highlighting the necessity for careful operation and adherence to safety protocols when dealing with railroad crossings.