This family of measures consists of installation of posters and warning signs to address trespassing. The specific measures in this family are actions which can be taken is isolation or in the context of a wider campaign to raise awareness.

It is considered an educational family because it informs people about possible risks, or about which behaviours are appropriate, by warning or reminding the dangers related to railways. This information measure is closely linked to the public awareness measures (e.g. mass-media campaigns).

Measures in this family are often referred to as: signage, posted information, poster, sign, billboard, screen, ground markings, etc.