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

The selected combination of answer choices is correct because it encompasses all areas in which rail crossings without technical safeguards are likely to be found. According to German traffic regulations, rail crossings that are not equipped with barriers or lights are often located in these specific settings:

1. Less-frequently used roads: These roads are typically less monitored and may not warrant the investment in safety features.

2. Industrial zones and port areas: These locations often have irregular train traffic and may have crossings that are not highly regulated.

3. Dirt tracks and forest tracks: These paths are not standard roads and frequently accommodate limited traffic, making it plausible for them to lack safety measures.

Identifying these areas is crucial for drivers to maintain heightened awareness and ensure safety when approaching potential crossings. Understanding the context of rail crossings enhances one’s ability to anticipate hazards and adhere to safe driving practices.