Where do you have to anticipate encountering rail crossings with no technical safeguards?

You are correct that rail crossings without technical safeguards are commonly found on less-frequently used roads, in industrial zones and port areas, and on dirt or forest tracks. According to German traffic rules, these crossings often lack barriers, lights, or warning signals because of low traffic volume or specific location characteristics. In such areas, drivers must be especially vigilant, slow down, and look carefully in both directions to ensure no train is approaching before crossing the tracks. Recognizing these typical locations helps drivers anticipate potential hazards and avoid accidents.