Final answer:
One should generally park at least 15 feet away from railroad tracks for safety reasons.
Step-by-step explanation:
The distance one should park from a railroad depends on several factors, including local laws and regulations. In general, it is recommended to park at least 15 feet away from the railroad tracks. This distance allows for a safe buffer in case of a derailment or other incidents on the tracks. However, it is important to follow any specific parking guidelines or signs posted near the railroad for the safety of yourself and others.